Exchange Activesync flakey

I just performed a SBS migration on a 2003 SBS server. Everything went well except the mobile devices (4 iPhones and 2iPads) quit getting email. They still get email to their workstations, but it stops going to their devices. If we redraft the server it works for a while, then it stops for no apparent reason. Very strange and annoying. I loaded service pack 2 and all the other patches microsoft showed on Windows Update. It works fine for a while, then it just stops.

Any ideas?
DocomonAsked:
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Alan HardistyConnect With a Mentor Co-OwnerCommented:
Okay - in that case - please have a read through my Exchange 2003 / Activesync article and check your settings, run the test on the test site, fix any errors that the test site identifies and then shout if you get stuck anywhere:

http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_1798-Exchange-2003-Activesync-Connection-Problems-FAQ.html
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MegaNuk3Commented:
Install this http://support.microsoft.com/kb/957191

And ActiveSync should work a lot better for you
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Alan HardistyCo-OwnerCommented:
What sort of migration have you performed?  It isn't clear what you currently have in terms of server.
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MegaNuk3Commented:
True, could've migrated to SBS2011 in which case the hotfix I posted will be invalid
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wylie_ukCommented:
what do you see when you browse from the outside world to https://yourwebmailaddress/oma in IE?
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Alan HardistyCo-OwnerCommented:
The OMA virtual directory has nothing to do with Activesync, so isn't going to help in troubleshooting much!
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DocomonAuthor Commented:
I just changed out server hardware by using the SBS Migration documentation from SBSMigration.com.  The same server software was renstalled to the new server. It was 2003SBS and it's still 2003SBS.  I have done this procedure several times without incident.

Not this time.
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MegaNuk3Commented:
Or install hotfix 957191 and then if it still isn't working, go through Alan's article. ;-)
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