Symptoms

The distribution manager (distmgr) component of the SMS Executive service does not process incoming package notifications (.PKN files) in a timely fashion. This can occur when there are multiple site control file changes, which in turn trigger distribution point checks. 
The main processing thread of distribution manager will show multiple entries resembling the following in the distmgr.log file:
 

11-07-2019 08:04:21.009    GetDPCRC - DP1.CONTOSO.COM
11-07-2019 08:04:22.226    Finished GetDPCRC - DP1.CONTOSO.COM
...
11-07-2019 08:42:21.211    GetDPCRC - DP2.CONTOSO.COM
11-07-2019 08:42:21.321    Finished GetDPCRC - DP2.CONTOSO.COM

Note these log entries will show the same thread ID, and they may be 30 minutes or more apart.

Update information for System Center Configuration Manager, version 1906

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 this hotfix, see the following documentation for installation instructions:

Use the Update Registration Tool to import hotfixes to System Center 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.

Prerequisites

To apply this hotfix, you must have System Center Configuration Manager, version 1906 and the following update rollup installed.
KB 4517869: Update rollup for System Center Configuration Manager current branch, version 1906

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

Date

Time

Platform

Distmgr.dll

5.0.8853.1024

1,254,776

30-Aug-2019

03:00

x64

 

References

Install Updates for System Center Configuration Manager

Learn about the terminology Microsoft uses to describe software updates.

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