error 550

Posted on 2006-11-16
Last Modified: 2012-05-05

I have several users who get the below message from the Syatem Administrator when forwarding to someone within the corporation.
The people do have mailboxes on my Exchange 2000 server and all clients run Outlook 2003.

What gives?

The following recipient(s) could not be reached:

      Rosi Lamancusa on 11/14/2006 2:11 PM
            550 Requested action not taken: mailbox unavailable or not local

      Steve Robeson on 11/14/2006 2:11 PM
            550 Requested action not taken: mailbox unavailable or not local
Question by:adrianbarrs
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Expert Comment

ID: 17962634
Check the spelling. make sure that they are spelling the receiants e-mail address correctly.

Also go to Microsoft Exchange System Manager.

Use the Message tracking tool to see what's happening to the e-mails.

Message tracking tools will help you trouble shoot this problem.

Make sure you have message tracking logging turned on. Otherwise, message tracking tools won't help.


Expert Comment

ID: 17962641
Go into ESM. Right Click on the Server. And choose Properties. In the General Tab.

You could do either of the following.

1. uncheck the "Enable Message Tracking" or
2. Check "Remove log files". Enter a number next to "Remove files older than (days)"

I would keep this message tracking logs and choose option 2 and keep logs file for 7 days.
Exchange's Message Tracking tool is very valablue tool for troubleshooting and resolving NDRs


Accepted Solution

nitadmin earned 500 total points
ID: 17962652
Here is an article which tells you how to use Exchange Message tracking tools.


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