Replication of a Windows machine doesn't start due to COMException
Challenge
Cannot start backup, error message: COMException: The RPC server is unavailable. (Exception from HRESULT: 0x800706BA).
Cause
This a Windows issue related to the Microsoft Volume Snapshot Service (VSS).
Solution
Perform the following steps:
- fill the Volume Shadow Service (VSS) storage, HWRAgent will show an error;
- disable the VSS;
- free space in the VSS;
- enable the VSS service;
- restart the agent.
Restart the agent in case of a similar error:
The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
The problem should be fixed.