Event ID - 9524

Event Id9524
DescriptionThe Information Store database <DatabaseName> was restored from an offline backup - it has been patched. Please back up this database.
Event Information"According to Microsoft:

For the patch operation to complete successfully, the database must be set to allow being overwritten by a restore procedure. To enable this setting, click to select the This database can be overwritten by a restore check box in the database properties in Exchange System Manager.
1. Start Exchange System Manager.
2. Click to expand Servers, click to expand the server on which the database is located, and then click Storage Group.
3. Right-click on the database, and then click Properties.
4. Click the Database tab.
5. Click to select the This database can be overwritten by a restore check box.
When you click this check box, it sets the Active Directory attribute, msExchPatchMDB, to a value of TRUE.
This value is stored in Active Directory at the following location:
CN=Database Name,CN=Storage Group Name,CN=InformationStore,CN=Server Name,CN=Servers,CN=First Administrative Group,CN=Administrative Groups,CN=Org Name,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=Domain Name,DC=com ."
Reference LinksIsinteg -patch is no longer required to restore offline backups

Running Isinteg -patch Is Not Needed in Exchange

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