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accessing System Attendant mailbox

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Exch 5.5 SP4 on NT 4 SP 6a

Under Mailbox Resources for our bridgehead server, the System Attendant mailbox is listed as being over 600 MB in size, having only 57 items. Is there a way to log into this mailbox to see what's there? The mailbox has an external address, but I'm unable to set up a profile or log in via OWA, even though I'm the administrator. I've been all through TechNet and MSKB online, to no avail. Any ideas? Points only for letting me see what's there, not just blindly deleting it.

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by brasslet

Here?s how you can access this mailbox. Part one of two...

1. Open the Administrator program in raw mode, using the /r switch (admin.exe /r).
2. Under Configuration\ Servers\yourserver\ Private Information Store\ Mailbox Resources, select the System Attendant Mailbox.
3. From the File menu, select Raw Properties?
4. In the raw properties for the System Attendant object, in the List Attributes Of Type box, select Optional.
5. Go to the Obj-Dist-Name attribute, then select and copy (CTRL +C) the value.
6. Go to the Display Name attribute and paste (CTRL + V) into the Edit Value field. Click on the Set button to set the attribute and then click OK to close the properties window.
7. Now, create an mail profile and paste (CTRL+V) thevalue you copied from the raw properties as the mailbox name. Name the profile something meaningful, such as SA Mailbox. Complete the profile creation.

by brasslet

Part two of two

Part one outlined a method of editing your System Attendant mailbox properties and creating a MAPI profile for it. Now, you can open the mailbox using Exchange client or mdbvu32.exe. Mdbutil32.exe doesn?t create folders upon opening the mailbox and it is faster than a full mail client. Here is how to use it to clean out your System Attendant mailbox.

1. Run Mdbvu32.exe from Server\Support\Utils on the Exchange Server 5.5 CD. Click on OK in the first dialog box to log in.
2. In the MAPILogonEx (MAPI_LOGON_UI) dialog box, select the following check boxes: MAPI_NEW_SESSION, MAPI_EXPLICIT_PROFILE and MAPI_NO_MAIL. Click OK.

3. In the Choose Profile dialog box, select the System Attendant Mailbox profile and click OK.

4. From the MDB Viewer Test Application window, pull down the MDB menu and select OpenMessageStore.

5. In the Select Message Store To Open dialog box, select the System Attendant mailbox and click Open.

6. From the MDB Viewer Test Application, pull down the MDB menu and select Open Root Folder.

7. In the MAPI_FOLDER ? Root dialog box, double click Top of Information Store in the Child Folders box.

8. The MAPI_FOLDER - Inbox dialog box appears. Messages stuck in the System Attendant mailbox display in the Messages In Folder box.

9. Select the messages you wish to delete.

10. From the Operations Available pull-down, select IpFld -> DeleteMessages.

11. Click Call Function, then click OK in the MAPI_INBOX -> DeleteMessage dialog box to delete the selected messages.

12. After you delete all the messages and there are no replication messages in the Inbox, click Close three times to return to the MDB Viewer Test Application window.

13. On the Session menu, click Session Logoff, click OK in the "IpMDB->StoreLogoff()" dialog box, and exit the application.

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