Hotfix package name: MultiSessionVDACoreWX64_1912_1001.zip
FIle name: CtxNfLau64.dll
For: Citrix Virtual Apps and Desktops 7 1912 Long Term Service Release (LTSR) Cumulative Update 1 (CU1) Virtual Delivery Agent for Multi-session OS (64-bit). System Requirements
Replaces: None
Date: November, 2020
Languages supported: English (US), German (DE), Spanish (ES), French (FR), Japanese (JA), Simplified Chinese (SC)
Readme version: 1.00

Readme Revision History

Important Note(s)

• Caution! This release may require you to edit the registry. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.
• This hotfix is for Version 1912 LTSR CU1 of the Citrix Virtual Apps and Desktops 7 VDA. Any known issues in Version 1912 LTSR CU1 of the VDA, except for the specific issues resolved in this release, still apply.

Where to Find Documentation

This document describes the issue(s) resolved by this hotfix and includes installation instructions. For additional product information, including supported operating systems and system requirements, see Citrix Virtual Apps and Desktops 7 1912 LTSR CU1 on the Citrix Product Documentation site.

New Fixes in This Release

1. This fix addresses a security vulnerability in an underlying component. For more information, see Knowledge Center article CTX285059.

   [From MultiSessionVDACoreWX64_1912_1001][CVADHELP-14755]

Fixes from Replaced Hotfixes

No hotfixes were replaced by this release.

Installing and Uninstalling this Release

To install this hotfix:

Use the following steps to apply this hotfix:

1. Log off from all sessions running on the VDA for Multi-session OS. 
2. Rename the file CtxNfLau64.dll under C:\Program Files (x86)\Citrix\System32 to CtxNfLau64_CU1.dll.
3. Copy the downloaded file CtxNfLau64.dll to C:\Program Files (x86)\Citrix\System32.
4. Restart the VDA. 

To uninstall this hotfix:

Use the following steps to apply this hotfix:

1. Log off from all sessions running on the VDA for Multi-session OS.
2. Remove the file CtxNfLau64.dll from C:\Program Files (x86)\Citrix\System32
3. Rename the existing file CtxNfLau64_CU1.dll in C:\Program Files (x86)\Citrix\System32 to CtxNfLau64.dll.
4. Restart the VDA. 

Files Updated (All Dates/Times UTC)