Veeam Backup and Replication Error: RPC function call failed. Function name: [GetFreezeState]. Target machine: [xxx.xxx.xxx.xxx]. RPC error: There are no more endpoints available from the endpoint mapper. Code: 1753
Issue is due to SPSearch4 VSS Writer, to resolve this issue see below.
1. Open the command prompt as administrator.
2. Then go to c:Program FilesCommon FilesMicrosoft SharedWeb Server Extensions14BIN
3. Execute the command provided:
PSConfig.exe -cmd upgrade -inplace b2b -force -cmd applicationcontent -install -cmd installfeatures
After executing the above command successfully restart the server and try to perform a backup job again.