[CVAD2402 CU2]All users are facing slow logons issues

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Article ID: CTX695155

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Description

All users are facing slow logons issue it will take approximately 1 minute 40 seconds for a user to log in to a session in a single session VDA environment

Cause

Event log shows two type of warning events which has affected logon performance.

  • "AD query timed out" of Citrix WEM User Logon Service

  • Warning of "AppModel-State" module, during logon procedure, Windows OS will load APPx packages.

 

Resolution

  • "AD query timed out" was caused MS API DirectorySearcher.FindOne. the API does not response in time, then Citrix WEM will record a warning event log. To improve logon performance, Citrix WEM has fixed the issue which not affect user logon. the release will be implemented in CVAD 2511. the logon time will decrease around 20 seconds.
  • Warning of "AppModel-state"  module. It is controlled by Windows OS. The APPX packages will be loaded by default and Citrix can not bypass it. it it recommended to involve Microsoft Support to check.

Issue/Introduction

[CVAD2402 CU2]All users are facing slow logons issues

Additional Information

https://learn.microsoft.com/en-us/dotnet/api/system.directoryservices.directorysearcher.findone?view=windowsdesktop-9.0

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