Applies to:
Microsoft .NET Framework 4.6, .NET Framework 4.6.1, .NET Framework 4.6.2, .NET Framework 4.7, .NET Framework 4.7.1, .NET Framework 4.7.2
Summary
Security improvements
There are no new security improvements in this release.
Quality and reliability improvements
DS1 |
- Addresses an issue where after customers install the January 11th Security update and/or the January 18th update, applications that leverage .NET Framework System.DirectoryServices APIs specific to acquiring or setting Forest Trust Information may fail or crash with various errors, including an access violation (0xc0000005) |
1 Directory Services (DS)
Important
-
All updates for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 require that the d3dcompiler_47.dll update is installed. We recommend that you install the included d3dcompiler_47.dll update before you apply this update. For more information about the d3dcompiler_47.dll, see KB 4019990.
-
If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.
Known issues in this update
Symptom |
Installing the latest .NET Framework February 2022 cumulative update will uninstall this update. |
Workaround |
Reinstall this update after installing the latest .NET Framework cumulative update. |
How to obtain and install the update
Before installing this update
Prerequisite:
To apply this update, you must have .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, or 4.7.2 installed.
Install this update
Release Channel |
Available |
Next Step |
Windows Update and Microsoft Update |
No |
None. These changes will be included in the next update to this channel. |
Microsoft Update Catalog |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
Windows Server Update Services (WSUS) |
No |
You can manually import these updates into Windows Server Update Services (WSUS) and Microsoft Endpoint Configuration Manager. For WSUS instructions, see WSUS and the Catalog Site. For Configuration Manger instructions, see Import updates from the Microsoft Update Catalog. |
Update removal information
Note We do not recommend that you remove any security update. To remove this update, use the Programs and Features item in Control Panel.
Update restart information
This update does not replace any previously released updates.
File information The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. Windows Server 2012 file information
: The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
File Information
File name |
File version |
File size |
Date |
Time |
Platform |
SP requirement |
Service branch |
System.DirectoryServices.dll |
4.7.3915.0 |
417,792 |
24-Jan-2022 |
19:30 |
x64 |
Not Applicable |
Not Applicable |
System.DirectoryServices.dll |
4.7.3915.0 |
417,792 |
24-Jan-2022 |
19:30 |
x86 |
Not Applicable |
Not Applicable |
File name |
File version |
File size |
Date |
Time |
Platform |
SP requirement |
Service branch |
System.DirectoryServices.dll |
4.7.3915.0 |
417,792 |
24-Jan-2022 |
19:30 |
x86 |
Not Applicable |
Not Applicable |
Information about protection and security
-
Protect yourself online: Windows Security support
-
Learn how we guard against cyber threats: Microsoft Security