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Outlook 2000 not running on XP Pro

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by jahmez

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I'm running XP pro. With it I'm running under appl inlcuding Office 2000 and Exchange Server 5.0 for aministration purposes. I upgraded to Exch svr 5.5 and now my Outlook isn't working. I did a uninstall and reinstall but no luck. Any ideas??

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by tpcosmo

Does the XP Pro client connect to the exchange server when logged in as a a user with admin. rights on the network.

I had the same problem with newly deployed XP boxes. I bet this is your fix: The xp box probably isnt using TCP/IP to communicate with the exchange server. Admins are allowed to talk to exchange via UDP, and thats why it works as an admin.
You can confirm this be checking the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\RPC\Client Protocols.
See if you have keys installed. I bet you dont. That location should have:
Name Type Data
ncacn_http Reg_SZ rpcrt4.dll
ncacn_ip_tcp Reg_SZ rpcrt4.dll
ncacn_np Reg_SZ rpcrt4.dll
ncacn_ip_udp Reg_SZ rpcrt4.dll

Add those values, and I bet it works just fine.

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