The File Replication Service could not grant an unknown user access to the API "%1". Access checks can be disabled for "%1" ...

The File Replication Service could not grant an unknown user access to the
API "%1".



Access checks can be disabled for "%1" by running regedit.



Click on Start, Run, and type regedit.



Expand HKEY_LOCAL_MACHINE, SYSTEM, CurrentControlSet, Services, NtFrs, Parameters,
Access Checks, "%1", and "%2". Change the string to Disabled.



Permissions can be changed by highlighting "%1" and then clicking on the
toolbar option Security and then Permissions...