RPC over HTTPS Connectivity Issue for one remote user only Exchange 2003/ Outlook 2007

We have 10 RPC over HTTPS users connecting to an Exchange 2003 SP2 server.  One laptop user chose to upgrade to a better wireless service using an ATT cellular wireless card.  His XP Sp2/Outlook 2007 worked fine before change.  

Now he cannot connect remotely.  I reconfigured his settings and tested his settings with my laptop (mine connected right away wirelessly).

I run an outlook /rpcdiag and it conntinually says CONNECTING for the different types of connections, but never connects.  We replaced his wireless card.  I disabled XP SP2 firewall.  I uninstalled his Cisco VPN Client 5.0.  I do not seem to see any relevent errors in his event log.  Older McAfee AV is not blocking any traffic.

Any other suggestions on how to troubleshoot the error that seems to be on the specific laptop?

Thanks, Steve

 
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smeekAsked:
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smeekConnect With a Mentor Author Commented:
Was not able to correct.  Work around using VPN software on laptop.

Can you please close question?

Steve
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pablovrCommented:
Try rpccfg /q to check out if RPC is using default settings. If not run rpccfg /r to reset settings to defaults.

rpccfg is the RPC Configuration Tool (Resource Kit).

You can download Resource Kit Tools from:
http://www.microsoft.com/downloads/details.aspx?FamilyID=9d467a69-57ff-4ae7-96ee-b18c4790cffd&DisplayLang=en&displaylang=en
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smeekAuthor Commented:
I tried to run on laptop but it did not show anything.  Did I need to restart or are you saying install and run on server?  

As noted above, other users have no issues using, it is only this client.  Thanks.

S
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