Microsoft KB Archive/186482

= Terminal Server Modifications to NetDDE =

Article ID: 186482

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition

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This article was previously published under Q186482



SUMMARY
When NETDDE starts in Windows NT Server or Windows NT Workstation, NETDDE registers the computer name on the network with the NetBIOS designation of [1fh]. To register this name for use by NETDDE, the computer name must be unique. This is normally not a problem because computer names must be unique in any case. However, NETDDE in Terminal Server registers as [1fh] with the user name rather than the computer name. This makes sense because all the users connected to the Terminal Server will use the same computer name, making NETDDE impossible. However, registering NETDDE with the user name introduces a new requirement that all users on the network use unique user names if NETDDE is going to be used. If NETDDE is not used, this should not be a concern. Users who use the Terminal Server client to connect to multiple sessions will find that NETDDE will only start in the first session if they try to use the same user name for multiple sessions.

Keywords: kbinfo KB186482

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