Summary
This cumulative update resolves the following issues that affect system performance and also enrolling and syncing devices to System Center Configuration Manager in Windows 10 Version 1511:

•When the PowerShell DSC (Desired State Configuration) feature runs for extended time periods, users experience decreased system performance, loud fan noise, and poor battery life.
•After a ConfigMgr enrollment fails, the device waits 15 minutes to try another enrollment. 
•Users who have Wi-Fi–only devices cannot sync their settings to System Center Configuration Manager.
Windows 10 updates are cumulative. Therefore, this package contains all previously released fixes.

If you have installed previous updates, only the new fixes that are contained in this package will be downloaded and installed to your computer. If you are installing a Windows 10 update package for the first time, the package for the x86 version is 402 MB and the package for the x64 version is 713 MB.