Microsoft KB Archive/187183

= RDP Client Hangs If the Network Is Unavailable =

Article ID: 187183

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 Q187183



SYMPTOMS
When network connectivity is not available and the Microsoft Terminal Server Client (MSTSC) utility is connected, the computer may stop responding (hang) for approximately two minutes when you disconnect the MSTSC utility.



CAUSE
The MSTSC utility displays the Connect dialog box and makes a NetServerEnum call to enumerate the servers. Before the enumeration completes, if you click Cancel or press ESC, the dialog box disappears. But the MSTSC utility waits for the NetServerEnum call to complete before terminating its process. This process may take as long as two minutes. If you wait for the NetServerEnum call to complete before pressing ESC, the process terminates immediately.



RESOLUTION
The NetServerEnum call is a synchronous call; there is no way to cancel it to avoid the delay.



STATUS
This behavior is by design.

Keywords: kbbug kbnofix KB187183

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