The local node is not part of quorum. This could be caused by one of the following reasons: The local node is not able to ...

The local node is not part of quorum. This could be caused by one of the following reasons:

•   The local node is not able to communicate with the WSFC cluster.

•   No quorum set exists across the WSFC cluster.

 For more information on recovering from quorum loss, see SQL Server Books Online.