PPTP May Refuse Connections When VPNs Are Free

This article was previously published under Q194465
This article has been archived. It is offered "as is" and will no longer be updated.
SYMPTOMS
Your Windows NT Server computer running the Point to Point TunnelingProtocol (PPTP) may encounter periods where all new client connections willbe refused. These periods only last three to five seconds but can happeneven when there are Virtual Private Network (VPN) adapters still available.
CAUSE
This problem only happens when clients are dialing in using NetBEUI. Theclean up period after a VPN bound to NetBEUI can last three to fiveseconds. During this period, the VPN will refuse any connections. When theVPN refuses the connection, the server then thinks that all the connectionsare being used and refuses the entire connection instead of passing theconnection on to another VPN.
RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack

STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.
RAS PPTP NetBeui
Properties

Article ID: 194465 - Last Review: 10/10/2013 22:34:21 - Revision: 2.1

Microsoft Windows NT Server 4.0, Terminal Server Edition, Microsoft Windows NT Server 4.0 Standard Edition, Microsoft Windows NT Workstation 4.0 Developer Edition, Microsoft Windows NT Server 4.0 Enterprise Edition

  • kbnosurvey kbarchive kbbug kbfix KB194465
Feedback
ERROR: at System.Diagnostics.Process.GetProcessHandle(Int32 access, Boolean throwIfExited) at System.Diagnostics.Process.Kill() at Microsoft.Support.SEOInfrastructureService.PhantomJS.PhantomJSRunner.WaitForExit(Process process, Int32 waitTime, StringBuilder dataBuilder, Boolean isTotalProcessTimeout)