Windows Admin Center version 2511 is now generally available!

2026-02-25T17:14:19 Level=ERROR ExitCode=1 Message=Register-WACLocalCredSSP: Failed to register CredSSP session configuration. Error: Could not grant remote access to 'BASAD1\Windows Admin Center CredSSP': 'Some or all identity references could not be translated.'. The session configuration has been registered, but this group does not have access. To resolve this error, provide a valid group name and register the session configuration again.

2026-02-25T17:14:24 Level=INFO ExitCode=0 Message=Initialize-WACDatabase: Successfully initialized database.

2026-02-25T17:14:31 Level=INFO ExitCode=0 Message=Import-WACExistingExtensions: Successfully imported previously installed extensions.

2026-02-25T17:14:32 Level=INFO ExitCode=0 Message=Import-WACExistingPlugins: Successfully imported previously installed plugins.

2026-02-25T17:14:32 Level=INFO ExitCode=0 Message=New-WACEventLog: Successfully created Windows Admin Center event log.

2026-02-25T17:14:33 Level=INFO ExitCode=1 Message=Test-WACInstallationFailure: Installation failure check completed. Result: 1

Sometimes on upgrade it will throw an error, but effectively the upgrade still works. Eventually install second time and ignore the error.