Exchange 2003 OMA issue - Intermittent error 3005

The event is being logged randomly. At the time of failure server responses with HTTP 500
The Exchange services and IIS Admin service restart fixes the issue (even w/o entire server reboot). Everything may work days or even weeks and then fails again until services are restarted. The OWA and other web services are not affected -- OMA only. The server does not log any other errors or warnings.
Any ideas?
aw_gAsked:
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Alan HardistyCo-OwnerCommented:
As things are working for the majority of the time, I would suggest you set your Exchange Application Pool to recycle on a daily basis to prevent the errors from happening.

If you need guidance on how to do this, please ask.
aw_gAuthor Commented:
please, advise the step to do that. thanks
Alan HardistyCo-OwnerCommented:
Please have a read of the section for recycling at a specific time and schedule a midnight recycle daily:

http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/1eee28e2-b319-4b4e-8267-a8c0aa0dcf36.mspx?mfr=true

Just recycle the Exchange Application Pool.
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aw_gAuthor Commented:
thanks. will let you know if it works
Alan HardistyCo-OwnerCommented:
No problems - it will obviously take some time, so as and when sufficient time has passed by and the problem has either happened again or has gone away, please come back and advise one way or another.

Alan
aw_gAuthor Commented:
Configured App Pool recycling schedule for 2 time per 24h.  The issue re-appeared in 2 days. The IIS restart did not help. The Exchange Attendant service restart (with all dependencies) got syncing back to normal. So far it works for 36h.
Alan HardistyCo-OwnerCommented:
Oh well - that's not perfect :(

What AV do you have installed?

Can you reinstall Exchange 2003 SP2 please over the top (it should do this happily but you may get IMF issues - please advise if you do).
aw_gAuthor Commented:
I have reinstalled SP2. It worked 2 days then got the error again. The restart of ExchangeIS service (only) restores normal operation. Any more ideas?
Alan HardistyCo-OwnerCommented:
Okay - does this stop Activesync for all users - some users - one or two users?
aw_gAuthor Commented:
all users are affected
aw_gAuthor Commented:
the issue was finally fixed by performing following steps:
1. removed IIS and re-installed it
2. reinstalled Exchange and all its service packs and patches

a bit of work (8 hours) ;-) ...but now it works like a charm now :-)

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Alan HardistyCo-OwnerCommented:
Ouch!  Glad it is fixed but what a solution.  Sorry you had to resort to the sledgehammer approach.

Alan
aw_gAuthor Commented:
the solution is quite laborous... but the result was desirable
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