When running Configure ConfigMgr Integration you may see the following

The process completed with 1 errors

Copied binaries to C:\Program Files (x86)\Microsoft Configuration Manager\AdminUI\Bin
Copied extention files to C:\Program Files (x86)\Microsoft Configuration Manager\AdminUI\XmlStorage\Extensions
Successfully connected to WMI namespace \\Site-Server\root\sms
Located the provider for site Sitecode on server Site-Server
Validated site server and site code.
Unable to compile C:\Program Files (x86)\Microsoft Configuration Manager\AdminUI\Bin\Microsoft.BDD.SCCMActions.mof, rc = 3

Operation completed with warnings or errors.  Please review the output above.

The fix for this error is to run Configure ConfigMgr Integration as an Administrator (right click and choose Run as administrator)