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Why not just set the lease period to 24hrs.
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The lease on the clients is already set for 5 days, so the lease doesn't end for another four days. &nbsp;Too long. &nbsp;I need it to end within 24 hours and I cannot visit the clients. &nbsp;Too many of them. &nbsp;I need to script this, or force it somehow during the logon, logoff, or reboot process.
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i read that you can stick the ipconfig /release in a logon script, so I'm going to try and see if that works, along with the shutdown command. 
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I shortened the leases to 24 hours. <br />
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Stuck a line in the logon scripts to, copy the following script to the clients. (very important that this be &quot;ON&quot; the client told the users to reboot before going home). &nbsp; <br />
ipconfig /release<br />
ipconfig /renew<br />
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<br />

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awarded points to keep it simple, but the solution was NOT my solution. &nbsp; my last comments were the actual solution and steps used to actually get the job done. &nbsp;any entry level tech, knows what ipconfig is. &nbsp;the solution was given very little effort. 
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I have XP clients with 5 day leases. &nbsp;<br />
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To make a long story short, I need the XP clients to release and renew their DHCP leases within 24 hours either when they logout, reboot or log back on. &nbsp;Rebooting would be easiest. &nbsp;<br />
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Thanks, <br />
<br />
R
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I have XP clients with 5 day leases.  

To make a long story short, I need the XP clients to release and renew their DHCP leases within 24 hours either when they logout, reboot or log back on.  Rebooting would be easiest.  

Thanks, 

R

Why not just set the lease period to 24hrs.

The lease on the clients is already set for 5 days, so the lease doesn&#39;t end for another four days.  Too long.  I need it to end within 24 hours and I cannot visit the clients.  Too many of them.  I need to script this, or force it somehow during the logon, logoff, or reboot process.

i read that you can stick the ipconfig /release in a logon script, so I&#39;m going to try and see if that works, along with the shutdown command. 

I shortened the leases to 24 hours. 

Stuck a line in the logon scripts to, copy the following script to the clients. (very important that this be &quot;ON&quot; the client told the users to reboot before going home).   
ipconfig /release
ipconfig /renew




awarded points to keep it simple, but the solution was NOT my solution.   my last comments were the actual solution and steps used to actually get the job done.  any entry level tech, knows what ipconfig is.  the solution was given very little effort. 

How can I force users to renew their DHCP leases during the logon or reboot process?

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).

Windows Server 2003

Microsoft Windows XP is the sixth release of the NT series of operating systems, and was the first to be marketed in a variety of editions: XP Home and XP Professional, designed for business and power users. The advanced features in XP Professional are generally disabled in Home Edition, but are there and can be activated. There were two 64-bit editions, an embedded edition and a tablet edition.

Windows XP

The Dynamic Host Configuration Protocol (DHCP) is an auto configuration protocol used on IP networks and an extension of the Bootstrap Protocol. DHCP allows for computers to be configured automatically to communicate with each other over an IP network without the need for manual setup by a network administrator. The implementation of DHCP relies on a DHCP server to hand out network configuration information to DHCP-capable clients that request an IP address (and other information required or useful in communicating with other devices on an IP network). In addition to an IP address, common configuration information served over DHCP includes a default gateway, subnet mask and DNS sever(s).