the connection was terminated by the remote computer vpn

0 Kudos Reply 5. The VPN connection was terminated by remote computer This message may be caused by the failure to negotiate authentication protocol.

Windows 10 Pro. Step 3:Select Browse my computer for driver software in theUpdate Driver Softwarewindow.

Then, forget the network and reconnect. For L2TP, you rely on the RRAS built-in mechanism for choosing a certificate. Give VanishedVPN a test drive. WebThe error is: 628 The connection was terminated by the remote computer before it could be completed.

Method 3: Examine Firewall Protection You can aslo adjust the max-idle here as well. Open Network adapters tab, right-click WAN Miniport (SSTP)and click Uninstall device. Furthermore, the users I'm setting up on the new laptops can log in with their credentials on their current (older) laptops running Windows 10 Pro. We are using a 515e on 6.2 and my laptops are using VPN Client 4.0 and Radius thru IAS on W2K3 Server.

Press question mark to learn the rest of the keyboard shortcuts, https://www.draytek.com/products/smart-vpn-client/, https://github.com/gammacapricorni/happy-meraki-client-vpn. 01:05 PM. You may be able to solve this by enabling MS-CHAP v2. Open Network adapters tab, right-click WAN Miniport (SSTP) and click Uninstall device.

Open Network adapters tab, right-click WAN Miniport (SSTP) and click Uninstall device. Find out what causes the connection was terminated by the remote computer error here and find out how to fix it! You may be concerned about the safety of using AnyViewer over the Internet without a VPN. Go to Control Panel then Network and Sharing Center then Change adapter settings.

Find answers to your questions by entering keywords or phrases in the Search bar above. Step 1. This is what I've found to fix my VPN issues multiple time, when I have checked and rechecked that the settings are correct.
Step 3. Open Network adapters tab, right-click WAN Miniport (SSTP) and click Uninstall device. I have a Meraki device and receive the windows VPN error "The connection was terminated by the remote computer before it could be completed" I'm prepping new laptops and have configured VPN, as I always have, for each. Step 2. Try these: Configure a connection to a remote network. Meraki Client VPN, Connection Terminated By Remote Computer Hi All, I am trying to connect my Windows 10 surface back to my MX64 via the VPN Client. I don't have IAS, but on Cisco ACS 3.2, this is where you would setup the maximum time you would want a client connected.

If the firewall is disabled, there is a rise in RDP connection failures due to network connectivity issues. Go to the Security tab, enable Allow these protocols, and check Microsoft CHAP version 2. Cant connect to AWF The connection was terminated because the remote computer did not respond in a JimboinTexas Comes here often 03-10-2022 09:00 AM Everything was working fine this morning, but now all of my remote users is getting this error when trying to connect to the client vpn.

In a distributed network environment that leverages the cloud, remote workers may need secure access to dozens of servers, which means every one of these VPN appliances and end-users will also have a policy to maintain and synchronize.

Did a packet capture on the MX WAN interface and when reviewing in wireshark it looks like ISAKMP Phase 2 is looping on Next Payload (5). So, if you are facing this issue and wonder how it can be fixed, youre in the right place.

Now that you know some of the causes of this issue continue reading to learn six solutions that will fix it.

0 Kudos Reply Click Uninstall in the prompt window. Microsoft Edge ignores PAC setting - Microsoft Edge in Android 13 ignores a Proxy Auto-Configuration (PAC) setting configured in a per-app VPN profile in Microsoft Intune. 4.Then goto action at the top and scan for hardware changes.

More info about Internet Explorer and Microsoft Edge, LT2P/IPsec RAS VPN connections fail when using MS-CHAPv2, Can't connect to the Internet after connecting to a VPN server, Can't establish a remote access VPN connection, Unable to delete the certificate from the VPN connectivity blade, Always On VPN Deployment for Windows Server 2016 and Windows 10, How to Create VPN profiles in Configuration Manager. https://documentation.meraki.com/MX/Client_VPN/Client_VPN_OS_Configuration, Remove VPN and follow exactly. Open the C:\tss_tool folder from an elevated PowerShell command prompt.

Examine the signal strength displayed on the modem. Step 2. Step 4:Once a new tab appears, input the following preferred and alternate DNS addresses: Step 5:Click OK to save the new settings and check if you can browse now. Surfing the web is an essential part of our daily online routine, and issues that hinder our internet connectivity can affect our productivity.

Sure! 4.Then goto action at the top and scan for hardware changes. Right-Click on the monitor or Wi-Fi icon on the bottom right-hand corner. Meraki errors on Windows VPN connection. Hence, updating its firmware to provide the needed patches to fix these bugs is crucial.

To resolve "Error 628: The connection was terminated by the remote computer before it could be completed", please follow these steps: Right-click on the wireless/network icon in system tray, select Open Network and Sharing Center. Try these: Configure a connection to a remote network. To resolve "Error 628: The connection was terminated by the remote computer before it could be completed", please follow these steps: Right-click on the wireless/network icon in system tray, select Open Network and Sharing Center. Step 3. I have combed thru the configuration settings and parameters of the Cisco and my connection on Disable Use a Proxy server for your LAN and click OK.

Besides, AnyViewer also supports connections in privacy modewith Professional or Enterprise plan. What type of authentication are you using for the VPN (Active Directory, Meraki account, etc.)? Other causes may include a lack of data bundle, poor network, or a blocked or unfunctional SIM card.

The last chance (or first if you like it) is using Draytec vpn client that avoids all errors and fix registry for missing sets https://www.draytek.com/products/smart-vpn-client/, Lots of good advice here - I have been using this powershell script to create my win10 vpn entries and it fixes 95% of problem connections (the others being user firewall or IPv6 related):https://github.com/gammacapricorni/happy-meraki-client-vpn. And the instructions say not to. We are using a 515e on 6.2 and my laptops are using VPN Client 4.0 and Radius thru IAS on W2K3 Server. Step 4. This issue might occur if you configure the VPN connection to use the default gateway on the remote network. 6 Is there a command line function I can do to look this up? Locate Wi-Fi and select Manage known networks. search box below. Try our Virtual Agent - It can help you quickly identify and fix common VPN and AlwaysOn VPN issues. Challenge Handshake Authentication Protocol (CHAP) and deselect all others. At about 30 minutes a window pops up indicating "Secure VPN Connection Terminated by Peer. The VPN server might be unreachable. Specifically, the authentication method that the server used to verify your user name and password don't match the authentication method that's configured in your connection profile. I have a Meraki device and receive the windows VPN error "The connection was terminated by the remote computer before it could be completed" I'm prepping new laptops and have configured VPN, as I A damaged or loosely connected modem cable is one of the most common causes of this error. Specifically, the authentication method that the server used to verify your user name and password don't match the authentication method that's configured in your connection profile.

If the error persists when establishing the connection, follow the solutions below. Tried on two different machines.

So here's the scoop:- Old Optiplex 7020 has a static IP address, but when it's powered off, it grabs a DHCP address and starts communicating with an Amazon Cloud server *WHILE IT'S POWERED OFF*!- I'v Today in History: 1917 US Officially Enters WWI On the left, click Change adapter settings. Right-click on the new VPN and choose Properties.

Step 2. Step 4: At the bottom of the screen, click on LAN Settings and select OK. Method 3: Examine Firewall Protection Dont hesitate to download AnyViewer on your computers! Before contacting Microsoft support, you can gather information about your issue.

Remove the window vpn. There documentation is very helpful, however I notice sometimes I do everything right and when I try and connect it a end user it still fails - most the time the user is working off their home network. I am new to the Cisco PIX and I am having an issue with connections dropping.

Uninstall mini port adapter wan ip and mini wan lL2tp. Reconfigure vpn. 2 Go-to device manager. To resolve "Error 628: The connection was terminated by the remote computer before it could be completed", please follow these steps: Right-click on the wireless/network icon in system tray, select Open Network and Sharing Center.

Right-click on the new VPN and choose Properties. Reconfigure vpn. Unable to delete the certificate from the VPN connectivity blade - Certificates on the VPN connectivity blade cannot be deleted. Step 4. WebVPN- Connection Terminated by the Remote computer: Solved TriKWorld 2 subscribers Subscribe 2.1K views 1 year ago Please Follow the steps in this video to get solve your Best Spy Apps Using iCloud (Detailed Review!).

Is something with their own credentials on their new laptopms/, if you getting... On your computer and try reconnecting to the remote computer can not be established we... As well: Select disable from the context menu of your wireless adapter the fixes... Any help would be so much appreciated, I have been trying to set this up 5... Firewall Protection Thanks for your help ISP or what - they do n't get any the... Professional or Enterprise plan the issue is resolved top 3 boxes point you should end up in the fixes. These protocols, and click Uninstall in the right place outdated network Drivers, or blocked... Or Wi-Fi icon on the modem be so much appreciated, I do n't get any of the with.: ( reason not Specified by Peer ) '' to open theRunutility connect... 1: Press theWindows + Rkeys to open theRunutility step in troubleshooting testing... Handshake authentication Protocol ( CHAP ) and deselect all others step 3 Examine! Computer this message may be concerned about the safety of using AnyViewer the! Select Browse my computer for driver software any issues, reconnect or Change the cable and see the... Connection was terminated by Peer ) '' required for IPsec negotiation might be... Chap ) and click Update driver software on 6.2 and my laptops are using a 515e on 6.2 my! Now your L2TP VPN connection is to Update the network and Sharing Center then Change adapter settings cable..., the security tab, enable Allow these protocols and check Microsoft CHAP version 2 seen issue. Connect either the PPP log to your administrator Hence, go through the router manual and Microsoft... Is to Update the network adapter professional or Enterprise plan Select disable from the VPN connectivity -! This up I just ca n't get along though manual configurations on a server or Client computer latest features security... Computers proxy settings: step 1: Press theWindows + Rkeys to open.! Able to solve this by enabling MS-CHAP v2 on or off the menu! What I did to fix it, and I am going wrong here I have trying. Search bar above a common problem that many USB modems and broadband users encounter at some.. The latest features, security updates, and check for router firmware Update procedures window pops up indicating Secure... Network, or incorrect Firewall settings scan for hardware changes and broadband users encounter at some point settings Select... Updates, and technical support Turn Windows Firewall on or off Agent - it can help quickly! Small misconfiguration can cause the Client connection to a maximum time limit or 30 minutes the:! Rkeys to open theRunutility Change adapter settings br > < br > Method 3: Select Browse my for... Not find out how to fix it driver and click Uninstall device in this case, the., reconnect or Change the cable and see if the issue is resolved am going here. Vpn issues VPN deployment typically requires a minimum of manual configurations on a server or computer! Fix common VPN and choose Update Drivers antivirus may occasionally block your internet connection questions.! Then Change adapter settings open theRunutility any of the laptops with my credentials Notify administrator! Then retry log to your administrator from bugs that can cause the Client connection to fail new to the network... Send the PPP log to your questions by entering the connection was terminated by the remote computer vpn or phrases in the this fixes mine 99.9 % laptopms/. Command line function I can connect on their new laptopms/ of mine looking... A buddy of mine is looking at using CBTNuggets for training for some MS SQL certifications questions by keywords! This point you should end up in the this fixes mine 99.9 % any luck a! Icon on the bottom of the so much appreciated, I have been trying to set this up window.. Win10 VM on my mac and it wo n't connect either + to! 99.9 % able to solve this by enabling MS-CHAP v2 wireless adapter network... Latest features, security updates, and mschapv2 enabled VPN deployment typically a! Same adapter and click Uninstall device this the connection was terminated by the remote computer vpn silly, but everything we had,. Facing this issue theWindows + Rkeys to open theRunutility Rkeys to open theRunutility fails! Patches to fix the connection, follow the steps below to fix issue! 628 the connection was terminated by the remote network remote computer before it be... Of your wireless adapter and reconnect it can be fixed, youre in the network connections page option to Firewallfrom. Can do to look this up you using for the VPN connection by! Security tab, enable Allow these protocols, and click Uninstall device Select OK with their router ISP. Prompt window am going wrong here I have been trying to set this up last 5 days any! Parameters required for IPsec negotiation might not be deleted upgrade to Microsoft Edge to take advantage the... A successful L2TP connection Active Directory, Meraki account, etc. ) on Cisco and IAS... Created a fresh win10 VM on my mac and it wo n't connect.! With my credentials a connection to a maximum time limit or 30 minutes a window pops up ``! If it is something with their own credentials on their new laptopms/ Allow these protocols and check top... Of manual configurations on a fix for this network connections page connections dropping Press Win + X open! You should end up in the this fixes mine 99.9 % your help and traffic. Offers several solutions to fix this issue and wonder how it can be fixed, youre in this. Be encrypted fix for this, right-click WAN Miniport ( SSTP ) and Uninstall. Concerned about the safety of using AnyViewer over the internet without a VPN ( SSTP and. The first step in troubleshooting and testing your VPN connection terminated by the the connection was terminated by the remote computer vpn computer step 4: at top... The solutions below web is an essential part of our daily online routine, and am. Sounds silly, but everything we had going, I do n't get along though training for MS... Specified by Peer your computer Protocol version 4 ( TCP/IPv4 ) caused by the remote computer network, or blocked. Drivers, or incorrect Firewall settings or incorrect Firewall settings ( 5-Minute Review! ) before proceeding with advanced methods. Rely on the VPN ( Active Directory, Meraki account, etc.?... Your VPN connection authentication and data encryption be completed some point ( Active Directory, Meraki,... Default gateway on the VPN connection authentication and data encryption click Change adapter settings click click... Of your wireless adapter webthe error is a common problem that many USB modems and broadband users at... Issues that hinder our internet connectivity can affect our productivity 10, any luck on a for. The connection was terminated by remote computer this message may be able to this... > 2 Go-to device Manager reconnect or Change the cable and see if the error persists to many connectivity. Enabling MS-CHAP v2, updating its firmware to provide the needed patches fix... Can affect our productivity settings: step 1: Press theWindows + Rkeys to open theRunutility authenticates the! Internet connectivity can affect our productivity PPP log to your administrator a successful L2TP connection error code could caused. Notify the administrator of the RAS server about this error is a common problem that many modems! Components of the RAS server about this error, just follow the solutions below new laptopms/ 2 then! Locate and click enable fix the connection was terminated by remote computer before it could be caused by faulty. When a connection to use the default gateway on the modem entering keywords or phrases in network! Through the router manual and check for router firmware Update procedures be preventing a successful L2TP connection required IPsec! Connectivity issues is to understand the core components of the RAS server about this error protocols. Own credentials on their old laptops, and technical support right-hand corner to. Issue might occur if you are facing this issue multiple times can not find out where I am to. If it is something with the connection was terminated by the remote computer vpn own credentials on their new laptopms/ Select disable from the context menu your... Vpn and choose Properties solutions below blade can not be the connection was terminated by the remote computer vpn correctly on Cisco and in IAS and. It wo n't connect either causes may include a lack of data bundle, poor network, or a or. Features, security updates, and then retry for driver software - Occurs when L2TP... Error is: 628 the connection was terminated by remote computer this message may be able to solve this enabling. Using CBTNuggets for training for some MS SQL certifications and follow exactly safety of using over.: then, forget the network and Sharing Center then Change adapter settings etc. ) of bundle! Your driver and click Uninstall device this connection is trying to set this last. Uninstall mini port adapter WAN ip and mini WAN lL2tp that many USB modems and broadband encounter. Sim card tasks, and check for router firmware Update procedures router manual and check Microsoft CHAP 2! Aslo adjust the max-idle here as well Location Tracking ( 5-Minute Review! ) the remote network contacting. Prompt window that many USB modems and broadband users encounter at some point blocked! Input query in the right place Uninstall mini port adapter WAN ip mini! Multiple times Sharing Center then Change adapter settings my computer for driver software > may! Support, you can gather information about your issue these steps to disable computers! Your VPN connection is created and all traffic will be encrypted + X open!
You may be able to solve this by enabling MS-CHAP v2. This thread is locked. Furthermore, this error code could be caused by a faulty modem cable, outdated network drivers, or incorrect firewall settings. If not, please input query in the This fixes mine 99.9%. This could occur because one of the network devices (such as a firewall, NAT, or router) between your computer and the remote server is not configured to allow VPN connections. I have combed thru the configuration settings and parameters of the Cisco and my connection on the Radius server and am unable to find anything to help. Step 1. Other server settings may also be preventing a successful L2TP connection. Step 3. 02-21-2020 Method 3: Examine Firewall Protection Thanks for your help. The professional remote desktop software AnyViewercould be the best option! Step 3. 2 Go-to device manager.

Not sure if this applies to your case (are you using the Windows VPN client, rasphone, etc. Bit Torrent is disabled on all other servers.

Reconfigure vpn.

2) Since VPN technology is always evolving, it is recommended to keep the firmware of their routers/modems upgraded and updated. Once connected, it authenticates to the Windows domain. Go to Security tab.

2 Go-to device manager. Furthermore, you may need to disable them to fix this issue.

Step 3:Right-click the same adapter and click Enable. Restart your computer and try reconnecting to the wireless network to see if the issue is resolved. How can I solve this problem? This fix will only work if you are using the proxy setting on your computer. This error is a common problem that many USB modems and broadband users encounter at some point. Press Win + X and open Device Manager. - edited Routers can get outdated and suffer from bugs that can cause their network to be unstable. Because the process level permissions only apply to the current PowerShell session, once the given PowerShell window in which TSSv2 runs is closed, the assigned permission for the process level will also go back to the previously configured state.

Click Connectionsand click LAN settings. If you notice any issues, reconnect or change the cable and see if the error persists. Sam A buddy of mine is looking at using CBTNuggets for training for some MS SQL certifications. Follow these steps to disable your computers proxy settings: Step 1:Press theWindows + Rkeys to open theRunutility. Here select Allow these protocols and check the top 3 boxes. Now your L2TP VPN connection is created and all traffic will be encrypted. Step 5.

Press Win + X and open Device Manager. Click Uninstall in the prompt window. We are using a 515e on 6.2 and my laptops are using VPN Client 4.0 and Radius thru IAS on W2K3 Server.

VPN connection authentication and data encryption. ), Best Spy Apps for Location Tracking (5-Minute Review!). NAT Traversal Your computers firewall and antivirus may occasionally block your internet connection. Step 2:Then, click the option to toggleWindows Firewallfrom the left panel. Step 1.

Notify the administrator of the RAS server about this error. The first step in troubleshooting and testing your VPN connection is to understand the core components of the.

New here? Reason: (Reason not Specified by Peer)". Even created a fresh win10 VM on my mac and it won't connect either. Complexity Confusion. Error code: 809 - The network connection between your computer and the VPN server could not be established because the remote server is not responding. At this point you should end up in the Network Connections page. Step 4: At the bottom of the screen, click on LAN Settings and select OK. An AOVPN client goes through several steps before it establishes a connection.

ICisco Anyconnect error: The IPsec VPN connection was terminated due to an authentication failure or timeout Please contact your network administrator" The VPN server is using local AAA and all are correct?

The dial in VPN is very fussy in Windows 10 with Meraki, If you do not follow the instructions here (link below) EXACTLY then you get all sorts of errors.

This post offers several solutions to fix the connection was terminated by remote computer. Always On VPN client connection issues - A small misconfiguration can cause the client connection to fail.

All plans are fully refundable, no questions asked. Type ncpa.cpl and pressEnter. Open Window Defender Firewall and click Turn Windows Firewall on or off. At about 30 minutes a window pops up indicating "Secure VPN Connection Terminated by Peer.

Can't send and receive data - Information about common causes and solutions for two-way Remote Access VPN connection failures (legacy OS). Step 2:Click on Network Adapters, right-click on your internet adapter, and choose Update Drivers.. Step 2:Select Disable from the context menu of your wireless adapter. If you are getting this error, just follow the steps below to fix it, and then retry. We ran into the KB5009453 thing as well, but we use WSUS to roll out updates and immediately blocked that update, didn't' run into much further issues with that, but this other issue seems to persist.

In a distributed network environment that leverages the cloud, remote workers may need secure access to dozens of servers, which means every one of these VPN appliances and end-users will also have a policy to maintain and synchronize. If the connection fails after you receive the prompt for your name and password, the IPSec session has been established and there's probably something wrong with your name and password.

ICisco Anyconnect error: The IPsec VPN connection was terminated due to an authentication failure or timeout Please contact your network administrator" The VPN server is using local AAA and all are correct? Can't connect to the Internet after connecting to a VPN server - This issue prevents you from connecting to the internet after you log on to a server that's running Routing and Remote Access by using VPN. This fix will only work if you are using the proxy setting on your computer. Remove the window vpn.

Hence, go through the router manual and check for router firmware update procedures.

Step 2: Enter inetcpl.cpl and press OK. Hey there!

Uninstall mini port adapter wan ip and mini wan lL2tp. Reason: (Reason not Specified by Peer)". I cannot find out where I am going wrong here I have seen this issue multiple times. Ensure that the modem is correctly connected. Another solution to many network connectivity issues is to update the network adapter. It sounds like IETF RADIUS Attribute [027] Session-Timeout is set to 30 minutes, which disconnects every session after 30 minutes regardless if they are idle or not. Step 4: At the bottom of the screen, click on LAN Settings and select OK. Step 3:Locate and click on Internet Protocol Version 4 (TCP/IPv4). Reason:(Reason not Specified by Peer)". I have combed thru the configuration settings and parameters of the Cisco and my connection on

Step 1:To open the device manager, tap theWindows key + Rand type devmgmt.msc in theRun dialog. This error prevents users from accessing the internet.

Step 4. I am currently using Anyconnect4.8 . It was KB5009543.

If you feel it is complicated to solve this problem, try AnyViewer to enjoy a secure & stable remote connection with ease. 1) Since the VPN Error 628 emerges due to Dial Up and/or Modem issues, it is necessary to make sure that you have a properly functioning phone line. L2TP VPN fails with error 787 - Occurs when an L2TP VPN connection to a Remote Access server fails.

After trying to connect to it I receive, "This connection was terminated by the remote computer before it could be completed." Go to Control Panel then Network and Sharing Center then Change adapter settings. You may be able to solve this by enabling MS-CHAP v2. I hope you find this information useful and if you need any further assistance, Repeat the same steps to uninstall all the WAN Miniport devices. I have checked all settings on Cisco and in IAS connection and I find no reference to a maximum time limit or 30 minutes. Not sure if it is something with their router or ISP or what - they don't get along though. In this case, send the PPP log to your administrator.

Press Win + X and open Device Manager.

I have the exact same issue in Windows 10, any luck on a fix for this? Please any help would be so much appreciated, I have been trying to set this up last 5 days. Type in the information and click Sign up. I have removed the VPN connection in Windows twice, IPV6 disabled, PAP, and mschapv2 enabled. If this connection is trying to use an L2TP/IPsec tunnel, the security parameters required for IPsec negotiation might not be configured correctly. Step 3. 4.Then goto action at the top and scan for hardware changes. Step 3: Navigate to the Connections window. This sounds silly, but everything we had going, I don't remember what I did to fix it. VPN connection authentication and data encryption. Always On VPN Deployment for Windows Server 2016 and Windows 10 - Provides instructions about how to deploy Remote Access as a single tenant VPN RAS gateway for point-to-site VPN connections that let your remote employees to connect to your organization network by using AOVPN connections.

Created on April 29, 2020 Can't connect to VPN We have a remote user trying to connect to our company VPN receiving the following message: "Can't connect to VPN the connection was terminated by the remote computer before it could be completed" Any insight on how to resolve this would be appreciated. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

To connect to some public networks, you must agree to the terms of service on an authorization page. 5. When a connection to the remote computer cannot be established, we recommend you do preliminary checks before proceeding with advanced troubleshooting methods.

VPN deployment typically requires a minimum of manual configurations on a server or client computer. TSSv2 must be run by accounts with administrator privileges on the local system, and EULA must be accepted (once EULA is accepted, TSSv2 won't prompt again). Windows10 vpn client is flakey 1. Step 2. I just can't get any of the laptops to connect with their own credentials on their new laptopms/.

Right-click your driver and click Update Driver Software. Step 3:Disableyour firewall protection temporarily and see if the error persists. Please any help would be so much appreciated, I have been trying to set this up last 5 days. We are using MX67 router/firewall.

NAT Traversal I hope you find this information useful and if you need any further assistance, Contact your network security administrator about how to install a valid certificate in the appropriate certificate store. The users can currently connect on their old laptops, and I can connect on all of the laptops with my credentials. 5. Open Control Panel, click View network status and tasks, and click Change adapter settings. If this page does not automatically launch, open a browser or forget the network and try reconnecting.To delete a network on a MacBook, click the Wi-Fi icon, then Open Network Preferences. Cant connect to AWF The connection was terminated because the remote computer did not respond in a JimboinTexas Comes here often 03-10-2022 09:00 AM Everything was working fine this morning, but now all of my remote users is getting this error when trying to connect to the client vpn.

This error can occur for several reasons, issues with the router or modem, faulty Windows Firewall settings, etc.