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After an IP address is deleted from the computer, it may be impossible to reach some network resources that should still be reachable.
When an IP address is deleted from the computer, subnet routes associated with that address may not get properly cleaned up. This problem can result in a route table with expired entries. The "route print" command can be used to view the route table to verify this problem.
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:
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: