Server for NFS was unable to obtain security information for the configured UnmappedUnixUserUsername user account . Check ...

Server for NFS was unable to obtain security information for the configured UnmappedUnixUserUsername user account <%2>.

Check that the user account <%2> is valid and meets all configured security policies. There may be additional information in the Windows Security event log.

Server for NFS will attempt to revert to the default anonymous account.

MSV Status: 0x%3, SubStatus: 0x%4
S4U Status: 0x%5, SubStatus: 0x%6