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After updating to Configuration Manager current branch, version 1910, content distribution from a primary site stalls under the following conditions until the SMS Executive service (smsexec.exe) is restarted.

  • Multiple pull-distribution points are used in the environment.

  • One or more of those pull-distribution points are offline or otherwise unavailable.

  • A request is sent from the site server to the pull-distribution point to cancel all current jobs. This request can occur when then pull-distribution point is placed in maintenance mode, or a site control file change is processed that alters the PXE configuration.

When these conditions are met, the Distribution Manager (distmgr) component of the SMS Executive service stops distributing content to the problematic pull distribution-points, and also stops processing inbound files. 
The DP Job Queue Manager tool indicates a backlog of packages, and the pulldp.log on the pull-distribution point stops recording expected activity.


Update information for Microsoft Endpoint Configuration Manager current branch, version 1910

How to obtain the hotfix

Microsoft Download Center

The following hotfix to resolve this problem is available for download from the Microsoft Download Center:

 Download this hotfix now.

After you download the hotfix, see the following documentation for installation instructions:
Use the Update Registration Tool to import hotfixes to Configuration Manager

Microsoft scanned this file for viruses, using the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to it.


To apply this hotfix, you must have Microsoft Endpoint Configuration Manager, version 1910 installed in addition to the following update rollup.
KB 4537079: Update Rollup for Microsoft Endpoint Configuration Manager current branch, version 1910

Restart information

You don't have to restart the computer after you apply this hotfix. 

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

File name

File version

File size





Not Applicable






Not Applicable






Updates and servicing for Configuration Manager

Learn about the terminology Microsoft uses to describe software updates.

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