- Two Dynamic Host Configuration Protocol (DHCP) servers are configured for failover.
- DHCP Network Access Protection (NAP) is configured on both DHCP servers.
- A client computer obtains an IP address from DHCP server 1.
- DHCP server 1 is unavailable, and DHCP server 2 detects that DHCP server 1 is unavailable.
- The client computer sends a rebind request.
To resolve this issue in Windows Server 2012, install the hotfix that is described in the "Hotfix information" section.
Update informationFor more information about how to obtain update rollup 2967917, click the following article number to view the article in the Microsoft Knowledge Base:
Hotfix informationA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
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, contact 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, go to 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.