Err Msg: STOP 0xA in Ndiswan.sys When Using RAS After Installing Service Pack 4

This article was previously published under Q229502
This article has been archived. It is offered "as is" and will no longer be updated.
After you install Windows NT 4.0 Service Pack 4 and then use Remote Access Service (RAS) over an analog or ISDN telephone line, you may encounter lower-level packet corruption which results in a STOP 0xA error message being displayed. This error message occurs in Ndiswan.sys.
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:
Microsoft has confirmed that this is a problem in Windows NT 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 5.

Article ID: 229502 - Last Review: 11/02/2013 23:04:00 - Revision: 4.0

  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 4.0 Standard Edition
  • kbnosurvey kbarchive kbbug kbfix kbqfe KB229502