DPM backup of Exchange databases can fail because of Exchange circular logging

Just a quick note on an issue in DPM and Exchange Server. Backup administrators who have scheduled System Center Data Protection Manager (DPM) backups for Microsoft Exchange databases might run into backup failures if circular logging is turned on for those Exchange databases. In such cases, DPM incremental backups fails with VSS error 0x800423f4 and a retry of the backup job does not resolve the problem.

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