WFWG 3.11 DHCP Client Does Not Release IP Address (151387)
The information in this article applies to:
- Microsoft Windows for Workgroups
- Microsoft TCP/IP-32 for Windows for Workgroups
This article was previously published under Q151387 SYMPTOMS
A Windows for Workgroups 3.11 DHCP client running TCP/IP-32 does not
release and unbind its IP address from the Network Interface Card (NIC)
even after the lease has expired until the user acknowledges the pop-up
message that is displayed on the screen indicating that the lease has
expired.
CAUSE
This particular situation can arise when a Dynamic Host Configuration
Protocol (DHCP) server is not available on the network to renew the client
lease at the time of expiration. The client, after repeated attempts to
renew the current lease, will try to obtain a new lease thereafter. If it
fails to get a new lease as well, it should relinquish the current lease
and release the IP address it is currently using.
This can also create duplicate addresses on the network, when the DHCP
server reuses the address and leases it to another client because the
earlier lease had expired.
RESOLUTION
The module Vdhcp.386 was changed to release the IP address before
displaying the dialog box.
STATUS
Microsoft has confirmed this to be a problem in TCP/IP32. A fix to this
problem is in development, but has not been regression tested and may be
destabilizing in production environments. Microsoft does not recommend
implementing this fix at this time. Contact Microsoft Product Support
Services for more information on the availability of this fix.
| Modification Type: | Major | Last Reviewed: | 10/13/2003 |
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| Keywords: | kbbug kbfix kbnetwork KB151387 |
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