Software⏱️ 4 min read📅 2026-06-11

How to Fix: Windows 7 remote desktop encryption error every few minutes

Windows 7 remote desktop encryption error fix

Quick Answer: Try disabling UPnP or using a different port forwarding method.

The error 'Because of an error in data encryption, this session will now end.' is occurring on Windows 7 Pro x64 machines that are connected remotely through UPnP to a Linksys RV082 router. This issue has been happening consistently within 5 minutes of connecting, causing frustration and disrupting work productivity.

This troubleshooting guide aims to help resolve the remote desktop encryption error by identifying potential root causes and providing steps for fixing the issue.

💡 Why You Are Getting This Error

  • The primary cause of this error is likely related to the UPnP configuration on the Linksys RV082 router. The 'Client for Microsoft Networks' component might be interfering with the encryption process, causing the remote desktop connection to fail. This could be due to a misconfigured or outdated firmware version, which may not support the latest security protocols.
  • Another possible cause is related to the Windows 7 configuration on both the local and remote machines. The 'TCP large send offload' feature might be enabled on one of the machines, causing issues with the encryption process. Additionally, there could be other network-related settings or configurations that are interfering with the connection.

🚀 How to Resolve This Issue

Configuring UPnP and disabling unnecessary components

  1. Step 1: Step 1: Access the Linksys RV082 router's configuration page using a web browser. Navigate to the 'Advanced Setup' or 'Wireless Settings' section, depending on your firmware version. Look for the 'UPnP' settings and ensure that it is enabled. Also, check if there are any other network-related settings or configurations that could be interfering with the connection.
  2. Step 2: Step 2: Disable any unnecessary components of the network connection on both the local and remote machines. Specifically, disable 'Client for Microsoft Networks' and 'TCP large send offload'. This will help isolate the issue and determine if these components are causing the problem.
  3. Step 3: Step 3: Restart the router and try connecting to the remote desktop again. If the error persists, proceed to the next step.

Checking Windows 7 configuration and firmware version

  1. Step 1: Step 1: Check the Windows 7 configuration on both machines to ensure that 'Client for Microsoft Networks' is enabled. Also, verify that there are no other network-related settings or configurations that could be interfering with the connection.
  2. Step 2: Step 2: Check the firmware version of the Linksys RV082 router and update it if necessary. Ensure that the firmware supports the latest security protocols and encryption methods. You can check the firmware version by accessing the 'Advanced Setup' or 'Wireless Settings' section and looking for the 'Firmware Version' field.

✨ Wrapping Up

To resolve the remote desktop encryption error, try configuring UPnP on the Linksys RV082 router and disabling unnecessary components of the network connection on both machines. If the issue persists, check the Windows 7 configuration and firmware version to ensure that they are up-to-date and properly configured.

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