Topic Last Modified: 2007-03-27

Microsoft Exchange Server 2007 setup cannot continue because the MNSFileShare path is invalid.

The MNSFileShare value must be set to a string value that contains the Universal Naming Convention (UNC) path of a file share that is external to the cluster such as \\server\sharename.

To address this issue, provide a value for the MNSFileShare property that is a valid UNC path.

For more information about how to configure the MNSFileShare property, see "How to Configure the File Share Witness" (