This article was previously published under Q219323
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Normally, when an IPX packet is propagated by the router, the Transport Control (TC) field is increased by 1. The router does not propagate any packets with TC=16. This guarantees that IPX packetets do not go further than 16 hops from the source. When the TC is not incremented, packets (especially broadcasts) are propagated an infinite number of hops, which has the potential to create huge network storms.
This problem occurs because this functionality was lost with Windows NT 4.0 Service Pack 4.
To resolve this problem, obtain the latest service pack for Windows NT Server 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
152734 how to obtain the latest windows nt 4.0 service pack
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: