WindowsAdminCenter error 500

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WindowsAdminCenter error 500

Пятко Олексій 0

WindowsAdminCenter does not connect to virtual machine, ajax error 500.

In system logs error (A fatal alert was received from the remote endpoint. The TLS protocol defined fatal alert code is 46.)

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Answer 1

Hello,

Thank you for posting in Microsoft Q&A.

Based on the description, I understand your question is related to WindowsAdminCenter error 500.

The error code 46 indicates a fatal alert from the remote endpoint, which is related to TLS settings. Ensure that both the Windows Admin Center and the virtual machine are configured to use compatible TLS versions. Try check TLS settings in registry path, if the necessary TLS versions (e.g., TLS 1.2 or TLS 1.3) are enabled on both the client and server sides: HKLM\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols

Check the version of Windows Admin Center, check virtual machine's operating system and configuration are compatible with Windows Admin Center, check necessary ports are open and that there are no network restrictions.

Also, check the Windows Admin Center known issues here:

https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/support/known-issues

Have a nice day.

Best Regards,

Molly

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