| Event Id | 1001 |
| Source | MSExchange IS Private |
| Description | The Microsoft Exchange Information Store has started. Service startup complete, version 5.5. |
| Event Information | According to Microsoft: Though the event appears to be a problem with the server, it is actually an expected behavior. The Exchange system attendant is attempting to contact the information store, which is not available at the specified time. After the Exchange Setup program has completed, it begins restarting all the related services. |
| Reference Links | XADM: Unexpected Error 0xc0040000 Upgrading to Exchange 5.5 |
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