| Event Id | 1005 |
| Source | MSExchangeIS Private |
| Description | Unable to start the Microsoft Exchange Information Store. Error 0x451. |
| Event Information | According to Microsoft: CAUSE: This problem occurs when you perform one of the following actions: 1. You restore a Store.exe file earlier than version 5.5.2651.32 after the information store databases have already been upgraded to version 2.45. 2. You restore a Store.exe file earlier than version 5.5.2652.68 after the information store databases have already been upgraded to version 2.46. These earlier versions of the Store.exe file do not support the new database formats. RESOLUTION: To resolve this problem: 1. If the information store databases have already been upgraded to version 2.45, restore version 5.5.2651.32 or later of the Store.exe file, and then attempt to start the information store again. 2. If the information store databases have already been upgraded to version 2.46, restore version 5.5.2652.68 or later of the Store.exe file, and then attempt to start the information store again. |
| Reference Links | XADM: The Information Store Does Not Work After You Restore an Offline Backup of an Exchange Server 5.5 and Windows 2000 Cluster
XADM: Event ID 1197 and 1005 After You Attempt to Start the Information Store |
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