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After you update to Microsoft Endpoint Configuration Manager current branch, version 1910, the Delete Aged Discovery Data maintenance task deletes records for active users or groups. 

Note This update applies to specific builds of Configuration Manager version 1910, as detailed in the "Update information" section of this article. 
This update is also superseded by the following update rollup:
KB 4537079Update Rollup for Microsoft Endpoint Configuration Manager current branch, version 1910

Users who experience this problem in System Center Configuration Manager current branch, versions 1906 or 1902 should refer to the following article to resolve this problem:

4537087 Active users and groups are unexpectedly deleted by the Delete Aged Discovery Data task in Configuration Manager

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

This update is applicable only to early update and globally available installations of Configuration Manager, version 1910 that are installed by using one of the following package GUIDs: 


To verify which build is installed, add the Package GUID column to the details pane of the Updates and Servicing node in the console.

Users who installed an early update ring version of 1910 that have a different package GUID should, instead, apply the following update:

4535819 Update for Microsoft Endpoint Configuration Manager version 1910, early update ring

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 by using one of the package GUIDs that are mentioned in the "Update information" section.

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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