Summary: Failed to access the source mailbox. Test results are not available.
Details: Failed to access a mailbox matching the mailbox mask.
Server: <SERVERNAME>
Mailbox mask: <MAILBOXMASK>
Internal message delivery details:
Source mailbox: failed to access.
Result: Failed to logon to the mailbox. The following error occurred while trying to logon to a mailbox on server <SERVERNAME>: Failed to open the default message store.
The following may also be displayed if the error occurs when access to the source mailbox is successful but access to the target mailbox is not:
Summary: Failed to access the target mailbox. Test results are not available.
Details: Failed to access a mailbox matching the mailbox mask.
Server: <SERVERNAME>
Mailbox mask: <MAILBOXMASK>
Internal message delivery details:
Source mailbox: <SOURCEMAILBOX>
Target mailbox: failed to access
Result: Failed to logon to the mailbox. The following error occurred while trying to logon to a mailbox on server <SERVERNAME>: Failed to open the default message store.The Exchange Internal Message Delivery Test fails. Clicking the Details button from within the Test Results displays the following: