Article ID: 229502 - View products that this article applies to.
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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:
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.