Exchange 2003 ActiveSync issue

We have an Exchange 2003 SP2 server. ActiveSync was working fine for variety of mobile devices.  It still works for existing devices. But if you add any new device, it can connect to the server but it won't sync. Same is true if you take an existing device (which is working), remove the account and set it up again. Then it fails to sync.

I have confirmed that ActiveSync is configured properly on https://testconnectivity.microsoft.com/

I do not see any specific errors in event logs. I would appreciate any help on this.

Thanks.
realtimerAsked:
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Alan HardistyConnect With a Mentor Co-OwnerCommented:
Have you found and gone through my Exchange 2003 / Activesync article yet?

http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_1798-Exchange-2003-Activesync-Connection-Problems-FAQ.html

If not, please do.  Run through it from top to bottom and if you are still stuck, let me know.

Best wishes

Alan
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CEHJCommented:
What exactly has this to do with Java?
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realtimerAuthor Commented:
Thanks. In this case, the Exchange front-end server may have been low on resources. The issue was resolved after increasing the RAM.
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