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IMAP appears to hang Domino 5.0.13

Posted on 2004-09-07
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Last Modified: 2013-12-18
Hi,

We run Domino and have to support some remote users who do not have the Notes client.
I have been using POP3 but more recently IMAP as it appears to work better.
Recently however the server has been very unstable with 4 hangs occuring yesterday. When it hangs there are no error messagaes on the Domino screen or in the event log (W2K Server SP4). This morning I was able to run the Task Manager and see that nimap was consuming 99% of processor time.
I have disabled both IMAP and POP3 services but would like to know if there are any fixes / tweaks that I can make to IMAP to prevent this happening.

With Thanks,

Andy
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Question by:andyhines
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6 Comments
 
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Expert Comment

by:HemanthaKumar
ID: 11996492
Check the log.nsf for any reported errors. It gives better picture than windows log

~Hemanth
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Author Comment

by:andyhines
ID: 11996633
I did check the log. There are no errors reported. It's just that the IMAP server is the only process making entries in the log. All of the other tasks appear to stop or only appear very infrequently in the log and at that point the Notes server is not responding via the network. It may be responding to IMAP, I'm not sure about that.

Thanks for the response though.
Andy
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Accepted Solution

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HemanthaKumar earned 1000 total points
ID: 11996787
How many users are accessing when this crash occurs ?

According to your statement
>It's just that the IMAP server is the only process making entries in the log

It could be that Notes is busy processing some conversions for users accessing IMAP folders. For this check the tech-note : http://www-1.ibm.com/support/docview.wss?rs=899&uid=swg21093463

Also change the Prference for incoming mail of the person doc to Prefers Mime.

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Author Comment

by:andyhines
ID: 11997112
Thanks for the answer. I will try this over the next 24 hours and see if it makes a difference.
There is only a small number of users, maybe 5 or so, active at about 3am rising to about 20 or so during the normal working day.
Mail file preference for these users was set to None and I have now changed it to Prefers MIME

Do you know if it is possible to convert the contents of an existing mail file to MIME format

Regards,

Andy
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LVL 24

Expert Comment

by:HemanthaKumar
ID: 11997753
No, the content conversion is done by router
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Author Comment

by:andyhines
ID: 12006009
Thanks HemanthaKumar, it's survived for almost 24 housr now so I'm assuming that this has done the trick. Your help is much appreciated
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