Make sure that global DPM database is accessible. 2) Make sure that SQL Server instance of global DPM database is running. ...

1) Make sure that global DPM database is accessible.
2) Make sure that SQL Server instance of global DPM database is running.
3) Make sure that network connection to machine of global DPM database is proper
4) Make sure that SQL Browser service is running on global DPMD database machine.
5) Make sure that MSDTC service is running on this DPM machine and global DPM database machine