We have a number of users of AVD still on Windows 7 client PCs. Just today they all stopped working and unable to connect to any resources. Windows 10 client PCs are ok. I have reinstalled and reset the AVD client and subscribed but the issue persists on connecting to any resource displayed. Error displayed: [Window Title]Remote Desktop [Content]There was a problem connecting to the remote resource. Ask your network administrator for help. [^] Hide details [OK] [Expanded Information]Error code: 0x3000008Extended error code: 0x0Timestamp (UTC): 2022-07-27T08:48:32.186ZActivity ID: 2ce0dd51-2fb7-4e32-9b50-e8ebb8d40000 Press Ctrl+C to copy.

Hi,Microsoft Disable TLS 1.1 and 1.0 support from azure virtual desktop.you can run this powershell script for enable TLS 1.2 on Windows 7 and Windows 8 (be careful don't execute this on Windows 8.1 or higher).https://docs.microsoft.com/en-us/azure/active-directory/hybrid/reference-connect-tls-enforcement

Yes, this is the fix, we have come across multiple windows 7 machines with this issue.

The .NETFramework part applies to (and required) for Windows 8.1 too[HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\.NETFramework\v4.0.30319] "SystemDefaultTlsVersions"=dword:00000001 "SchUseStrongCrypto"=dword:0000001 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319] "SystemDefaultTlsVersions"=dword:00000001 "SchUseStrongCrypto"=dword:00000001

jeep92 , very helpful. Thanks. I've had the same problem with another customer. Looks like Microsoft is disabling earlier TLS versions in waves? This problem was already reported 1st of July for my customer. Was there any official announcement done by Microsoft towards their AVD customers?

No official announcement and the support (from azure portal and twitter) don't know this problem 😅

AVD Client on Windows 7 stopped working today (Error code: 0x3000008)

jeep92
Copper Contributor
Jul 27, 2022
Hi,

Microsoft Disable TLS 1.1 and 1.0 support from azure virtual desktop.
you can run this powershell script for enable TLS 1.2 on Windows 7 and Windows 8 (be careful don't execute this on Windows 8.1 or higher).

https://docs.microsoft.com/en-us/azure/active-directory/hybrid/reference-connect-tls-enforcement
- Travis_78
  Iron Contributor
  Jul 28, 2022
  Yes, this is the fix, we have come across multiple windows 7 machines with this issue.
- Thomas_De_Witte
  Copper Contributor
  Jul 28, 2022
  jeep92 , very helpful. Thanks. I've had the same problem with another customer. Looks like Microsoft is disabling earlier TLS versions in waves? This problem was already reported 1st of July for my customer.
  
  Was there any official announcement done by Microsoft towards their AVD customers?
  - jeep92
    Copper Contributor
    Jul 28, 2022
    No official announcement and the support (from azure portal and twitter) don't know this problem 😅
- jkrey455
  Copper Contributor
  Jul 28, 2022
  jeep92
  
  Is there a fix that you know of for windows 8.1? I have a client who is using that version of windows and You said not to run that script on that version.
  
  I do have another client on windows 7 so I will try the above fix for that one.
  
  Thanks for your help!
  
  Cheers,
  James
  - abbodi1406
    Steel Contributor
    Jul 29, 2022
    The .NETFramework part applies to (and required) for Windows 8.1 too
    [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\.NETFramework\v4.0.30319] "SystemDefaultTlsVersions"=dword:00000001 "SchUseStrongCrypto"=dword:0000001 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319] "SystemDefaultTlsVersions"=dword:00000001 "SchUseStrongCrypto"=dword:00000001
StevenR
Brass Contributor
Jun 06, 2023
Has anyone had this on windows 11 only when using "start on Connect" and the vm's are offline

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AVD Client on Windows 7 stopped working today (Error code: 0x3000008)

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