Droid X won't connect via Corporate Sync with Exchange on SBServer 2003

I have a client with a new Droid X that can't connect to his server via Corporate Sync. I can connect the phone to a totally different company's server, different email, etc. with no issues. That server also runs SBServer2003 SP2. Results for the two servers from http://testexchangeconnectivity.com are virtually identical but for the IP's. SSL Certs on both. When I try to connect on the clients server I get a "success" after plugging in the information, but when I try to sync I get a generic Connection Error and no connection. Tried everything I can think of but obviously there is something not right on the client's server. All ports open and forwarded, exactly the same on both. Don't know where to go next, awaiting a call from Tier 3 Motorola, who knows when that will happen. Any help greatly appreciated.
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check to make sure mobile devices are enabled as well as exchange active sync is enabled on the exchange server
aspenlifeAuthor Commented:
Outlook Mobile Access and Active Sync are both enabled.

testexchangeconnectivity.com gives the following, the server that the Droid works on also fails the last test:

ExRCA is testing Exchange ActiveSync.
       The Exchange ActiveSync test failed.
      Test Steps
      Attempting to resolve the host name mail.xyz.com in DNS.
       The host name resolved successfully.
      Additional Details
       IP addresses returned: XXX.XXX.XXX.XXX
      Testing TCP port 443 on host mail.xyz.com to ensure it's listening and open.
       The port was opened successfully.
      Testing the SSL certificate to make sure it's valid.
       The certificate passed all validation requirements.
      Test Steps
      Validating the certificate name.
       The certificate name was validated successfully.
      Additional Details
       Host name mail.xyz.com was found in the Certificate Subject Common name.
      Validating certificate trust for Windows Mobile devices.
       The test passed with some warnings encountered. Please expand the additional details.
      Additional Details
       The certificate is only trusted on Windows Mobile 6.0 and later versions. Devices running Windows Mobile 5.0 and 5.0 with the Messaging and Security Feature Pack won't be able to sync. Root = OU=Go Daddy Class 2 Certification Authority, O="The Go Daddy Group, Inc.", C=US.
      Testing the certificate date to confirm the certificate is valid.
       Date validation passed. The certificate hasn't expired.
      Additional Details
       The certificate is valid. NotBefore = 4/6/2011 6:08:52 PM, NotAfter = 4/6/2012 6:08:52 PM
      Checking the IIS configuration for client certificate authentication.
       Client certificate authentication wasn't detected.
      Additional Details
       Accept/Require Client Certificates isn't configured.
      Testing HTTP Authentication Methods for URL https://mail.xyz.com/Microsoft-Server-Activesync/.
       The HTTP authentication methods are correct.
      Additional Details
       ExRCA found all expected authentication methods and no disallowed methods. Methods found: Basic
      An ActiveSync session is being attempted with the server.
       Errors were encountered while testing the Exchange ActiveSync session.
      Test Steps
      Attempting to send the OPTIONS command to the server.
       Testing of the OPTIONS command failed. For more information, see Additional Details.
      Additional Details
       A Web exception occurred because an HTTP 401 - Unauthorized response was received from Unknown.
Have you managed to connect any devices to this server? Have a read of this troubleshooting article:

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aspenlifeAuthor Commented:
This is the first device that they have tried to connect. I just went through the above link and now everything is setup as it should be according to that.
Ok and now does it work or does www.testexchangeconnectivity.com pass?
aspenlifeAuthor Commented:
Fixed the issue. Found some events in the viewer that were not being logged yesterday. Active Sync started throwing 500 errors and there were also events "MSExchangeIS Event ID 9667 Failed to create a new named property for database". Increased the limit and all began to flow with no issues.

MegaNuk3 giving you the points on this as that link you sent was money and sure that this wasn't the only issue.

Thank you!
aspenlifeAuthor Commented:
That link is really great info. following that and doing my own fix solved the issue.
Alan HardistyCo-OwnerCommented:
Thanks MegaNuk3

aspenlifeAuthor Commented:
I owe you a thanks Alan! Didn't know how to give you points on that. Appreciate it, great tutorial!
Alan HardistyCo-OwnerCommented:
Don't worry - by accepting the post with my article linked in it I got 500 points as a bonus : )

What's important is you are fixed and if my article helped - that's even better.
Alan, no problem... Posting your article saves me from typing...
Alan HardistyCo-OwnerCommented:
Well - that's the reason I wrote it in the first place, so I can relate to that entirely.
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