Article ID: 219383 - View products that this article applies to.
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When the SPX protocol is used on an adapter driver that is NDIS 4.0 compliant, a STOP 0xA may occur in the NDIS media access control driver.
Nwlnkspx.sys allocates a memory block for the NDIS packet. However, the flag field of the packet is garbled because it is not initialized; therefore, the NDIS media access control driver is unable to decide if OobData is valid or not.
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 version 4.0 Service Pack 5.