User policy could not be updated successfully. The following errors were encountered: Please help me shorting this issue..

The processing of Group Policy failed. Windows attempted to read the file \\domainname\SysVol\SNU.IN\Polic
ies\{FF5B6EDE-8215-4E7B-8668-162113539CA9}\gpt.ini from a domain controller and was not successful. Gr
oup Policy settings may not be applied until this event is resolved. This issue may be transient and c
ould be caused by one or more of the following:
a) Name Resolution/Network Connectivity to the current domain controller.
b) File Replication Service Latency (a file created on another domain controller has not replicated to
 the current domain controller).
c) The Distributed File System (DFS) client has been disabled.
Computer policy could not be updated successfully. The following errors were encountered:

The processing of Group Policy failed. Windows attempted to read the file \\domainname\SysVol\SNU.IN\Polic
ies\{FF5B6EDE-8215-4E7B-8668-162113539CA9}\gpt.ini from a domain controller and was not successful. Gr
oup Policy settings may not be applied until this event is resolved. This issue may be transient and c
ould be caused by one or more of the following:
a) Name Resolution/Network Connectivity to the current domain controller.
b) File Replication Service Latency (a file created on another domain controller has not replicated to
 the current domain controller).
c) The Distributed File System (DFS) client has been disabled.

To diagnose the failure, review the event log or run GPRESULT /H GPReport.html from the command line t
o access information about Group Policy results.