Configuration Manager 2012 Agent installation fails on a Management Point with CU3 installed
When attempting to install the Configuration Manager 2012 client on a site system hosting the management point (MP) role and that site system has CU3 installed, the installation will fail.
To work around this issue you would have to:
- Uninstall the MP role first.
- Install the Configuration Manager client
- Reinstall the MP role.
More details are documented in the following KB article: http://support.microsoft.com/kb/2905359
Hope this saves you some troubleshooting time!