Create a public folder in Microsoft Exchange Server to fix the issue

This article applies to:

• Acronis Recovery for Microsoft Exchange

Symptoms

Any attempt to back up an Information Store fails with the following error message:

MAPI error 1,318: The Microsoft Exchange Server computer is not available.
Either there are network problems or the Microsoft Exchange Server computer is down for maintenance.

Cause

The storage group that you are trying to back up does not have a public folder.

Solution

Create a public folder for the storage group in Microsoft Exchange Server to fix the issue.

See Microsoft TechNet Article: How to Create a New Public Folder Database

More information

Feel free to contact Acronis Support if you have further questions or need assistance.