Exchange DAG Database Incremental Backup From Passive Databases Fails to Purge the Logs

Resolution:

1-      Make sure that the Database copy on all Mailbox server in healthy state.

2-      Dismount the active copy of the Database.

3-      Suspend replication for the target Database.

4-      Dump the database header to make sure it’s in clean shutdown using  “ESEutil /mh”.

5-      Move the log files ( .log) from the logs folder to alternate location on the Server that hold the active copy database.

6-      Mount the DB. make sure it is mounted successfully with healthy state.

7-      Resume the Passive Database Replication.

8-      In-case you got error when resuming the passive Database replication with “Failed and suspended” state, start reseeding the Database using Update option.