Windows 7 or Windows Server 2008 R2 cannot renew IP address from a Windows Server 2012 R2-based DHCP server

Applies to: Windows Server 2008 R2 Service Pack 1Windows Server 2008 R2 DatacenterWindows Server 2008 R2 Enterprise


Consider the following scenario:
  • You have at least two computers that work as DHCP servers in Windows Server 2012 R2.
  • You enable the DHCP failover feature and the Network Access Protection (NAP) feature on these DHCP servers.
  • You have a Windows 7 Service Pack 1 (SP1)-based or Windows Server 2008 R2 SP1-based client computer that obtains IP address from one of the DHCP servers.
  • When an IP address lease expires on the client computer, the client computer sends a DHCP request to another DHCP server to extend the IP address lease.
In this scenario, the client computer cannot renew the IP address.

How to obtain this hotfix

To resolve this issue, install the hotfix on the client computer that is running Windows 7 or Windows Server 2008 R2.

Before you install this hotfix, check the prerequisite.

Hotfix for Windows 7 or Windows Server 2008 R2

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix Download Available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix Download Available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


To apply this hotfix, you must first install SP1 in Windows 7 or Windows 2008 R2. For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, see the Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

More Information

For more information about software update terminology, see the Description of the standard terminology that is used to describe Microsoft software updates.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.