Article ID: 2751456 - View products that this article applies to.
You experience one or more of the following issues when you use Dynamic Host Configuration Protocol (DHCP) failover in Windows Server 2012:
These are known issues with DHCP failover in Windows Server 2012. These issues occur when the following conditions are true:
To resolve these issues, apply the cumulative update package that is described in the following article in the Microsoft Knowledge Base:
2756872Note To resolve the issues in an existing failover relationship, delete the relationship before you apply the update package, and then re-create the failover relationship. These issues do not occur if a failover relationship is created after you apply the cumulative update package.
(http://support.microsoft.com/kb/2756872/ )Windows 8 Client and Windows Server 2012 General Availability Cumulative Update
To work around these issues, use the following Windows PowerShell commands to migrate scopes to Windows Server 2012:
These issues do not occur if scopes are migrated by using the Windows PowerShell commands Export-DhcpServer and Import-DhcpServer.