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<a href="http://support.microsoft.com/default.aspx?scid=kb;en-us;278339" rel="ugc">http://support.microsoft.com/default.aspx?scid=kb;en-us;278339</a><br />
TCP/UDP ports used by Exchange 2000 Server
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http://support.microsoft.com/default.aspx?scid=kb;en-us;278339 [http://support.microsoft.com/default.aspx?scid=kb;en-us;278339]
TCP/UDP ports used by Exchange 2000 Server

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While configuring a profile for a remote user, I get the message like this: &quot;Exchange server cannot be contacted. It has to be online......&quot;<br />
telnet to the Exchange server is successful.<br />
Even Viewer show this:<br />
RPC call (nspiBind) to server failed with the error code (6ba) after waiting (21094) ms; eeInfo(none)
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While configuring a profile for a remote user, I get the message like this: "Exchange server cannot be contacted. It has to be online......"
telnet to the Exchange server is successful.
Even Viewer show this:
RPC call (nspiBind) to server failed with the error code (6ba) after waiting (21094) ms; eeInfo(none)

Error while trying to configure an Outlook 2003 profile from a remote location to Exchange 2003 server

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.