| Event Id | 1023 |
| Source | MSExchangeAdmin |
| Description | Unable to set a property on the message store on server name. Result: error message |
| Event Information | According to Microsoft: Cause: This event usually occurs when two administrators attempt to move the same mailbox at the same time. If this event occurs for a different reason, the reason will be indicated by the event message. User Action : Wait for the second administrator to finish moving the mailbox before you attempt to retry this operation. |
| Reference Links | Error code 0x80040301 appears when you try to move a mailbox in Exchange Server 2003 Unable to set a property on the message store on server name. Result: error message |
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