| Event Id | 1087 |
| Source | MSExchangeIS |
| Description | The information store was restored from an offline backup. In the Microsoft Exchange System Manager, indicate that the database "<name>" is allowed to be restored to, so that it can be patched. |
| Event Information | In the database Properties, indicate that the database is allowed to be restored by clicking the appropriate check box. Following Microsoft articles will give more information about this event. |
| Reference Links | Database
Does Not Mount After You Restore an Offline Backup XADM: Information Store Fails To Start With 1011 Error |
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