Update msRTCSIP-PrimaryHomeServer DN References

Microsoft Office Communications Server 2007 and Microsoft Office Communications Server 2007 R2 will reach end of support on January 9, 2018. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.

The final migration step is to modify all user DN references to the global settings tree to point to the Configuration container. This step modifies the msRTCSIP-PrimaryHomeServer and msRTCSIP-UserPolicy attributes to point to the objects in the new location.

This step is complete when all user DN references point to the new global settings tree. Depending on the number of enabled users and their geographical location, this step might take the longest time to run. For example, with stable network connectivity, it takes about one hour to move 30,000 users.