Outlook Lost Mailbox Lock error - IMAP

andrew writes:

>
> I have 3 users accessing the same account from Outlook 2000/XP/2003, and
> they are getting a 'Lost Mailbox Lock' error whenever the automated
> send/receive kicks off. I've updated to the latest UW-IMAPD, with no
> improvement.

The UW-IMAPD server, in its default configuration, does not allow the same
folder to be opened by multiple clients at the same time.

> My best guess is that when User 1's Outlook is holding on to the IMAP
> connection for the mail account, and User 2's Outlook logs in to the
> same account, it kicks User 1 off, and Outlook complains. I have read
> that converting to a user-based mbox system can help (mailboxes are
> currently in the spool), I'm not sure it will have any effect.

As long as multiple clients attempt to open the same mbox folder, at the
same time, this error will continue to occur.

> Can someone tell me either how to configure Outlook to release the IMAP
> connection when it's idle, or how to make the server play nice with
> multiple user accounts? Or, if I'm way off base, feel free to set me
> straight. Thanks in advance.

The only thing you can do is convert the mail folders to the mbx format, on
the server. This is a UW-IMAP-specific custom mail format that allows
concurrent access. You will find some documentation in the UW-IMAP package
with further information.



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