The Federation Service has encountered an error while reading group policy settings. This may indicate an attempt by the ...

The Federation Service has encountered an error while reading group policy settings. This may indicate an attempt by the local administrator to bypass group policy. The Federation Service will fail all requests until this condition is corrected.

User Action
Ensure that the Access Control List for the registry path HKLM\Software\Policies\Microsoft\Windows\ADFS grants read access to the Federation Service principal.

Additional Data
Exception information:
%1