Server for NFS could not obtain updated mapping information from User Name Mapping. Server for NFS will continue to use the ...

Server for NFS could not obtain updated mapping information from User Name Mapping.  Server for NFS will continue to use the mapping information it has and make another attempt after %1 minutes.

If this problem persists, Server for NFS mapping information may become significantly out-of-date and may not be able grant file access to users.

Verify that the User Name Mapping service is started either locally or on the remote server, and that User Name Mapping ports are open on firewalls.