Hi, all!
I'm trying now backup Exchange 2016 mailbox.
But get an error
DPM encountered a retryable VSS error. (ID 30112 Details: VssError:The writer experienced a transient error. If the backup process is retried,the error may not reoccur.
(0x800423F3))
DPM server is running under Server 2016 and DPM 2016 5.0.322.0
Exchange server is running under Server 2016, SQL 2016, Exchange 2016
vssadmin list writers command on Exchange returns:
Writer name: 'Microsoft Exchange Writer'Writer Id: {76fe1ac4-15f7-4bcd-987e-8e1acb462fb7}
Writer Instance Id: {5445b693-297c-4b15-84ed-b696971de512}
State: [1] Stable
Last error: Retryable error