Event ID - 9634

Event Id9634
SourceMSExchangeIS Mailbox Store
DescriptionFailed to find a database in the Recovery Storage Group with Original MDB = . Error is . If you do not intend to use the Recovery Storage Group,please check the registry and verify that the Recovery SG Override registry value has been set correctly.
Event InformationAccording to Microsoft

Cause:
Failed to find a database in the Recovery Storage Group with original MDB.
Resolution:
Check event logs for additional information. Specifically, look for events with source of ESE (and related) and MSExchangeIS (and related).
Reference LinksEvent Id:9634 Source Id:MSExchangeIS Mailbox Store

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