Hi guys,
Microsoft Exchange Server has encountered a problem. Look at the screenshot below. I do not understand the unknown error. If you have any idea please help to fix it.
Microsoft Exchange Server Setup
An unexpected, unknown error has occurred.
MAPI or an unspecified service provider.
Id no: 00000000-0000-00000000
Hello,
This error usually occurs when mailbox does not mount where the System Attendant mailbox is located. In order to resolve this issue you need to mount the mail box where the system attendant mailbox is located. You can also mount the mail box to the other mailbox located on the same server.
To know more about the issue, click on the link below.
https://support.microsoft.com/en-us/help/289834
Thank you.
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Hello Dudley,
To resolve that issue, you will need to mount the mailbox store where the System Attendant mailbox is located. In case you don't want the System Attendant mailbox to be located on the current mailbox store, you can just go ahead and move it to another mailbox store on the same server.
Regards,
Nicke
Excellent solutions, guys, and thanks for the information. Aquino Meman, your solution explained the nature of the problem and what I had to do to fix it. I followed your instructions and was able to solve my problem. Now I am happy to see that there are no unknown error messages appearing on my PC. The link you provided was very helpful, too. Thanks to you and techyv.com for sharing this helpful comment.
