Hotfix for Citrix XenApp 6.5

Citrix has released a hotfix For XenApp 6.5 for Windows Server 2008 R2 to solve the following problem(s):

  1. The CPU consumption of the winlogon.exe process can be higher than usual and cause new connection attempts to fail once a server hosts 70 connections or more. Eventually, servers can experience a fatal exception and need to be restarted.

    [From XA650W2K8R2X64019][#LA0032]

Important Note(s) about This Release

  • Note: As a best practice, Citrix recommends that you install this and other hotfixes only if you are affected by the specific issues they resolve. Otherwise, Citrix recommends that you wait for the next hotfix rollup pack for your product release. Hotfix rollup packs consolidate most previously released hotfixes and allow you to update systems in a convenient, single installation.
  • Important: Installing this hotfix over an ICA session is not supported but you can install it through a remote desktop session using an administrator account.
  • 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.

Installing and Uninstalling This Release

Notes:

  • This hotfix is packaged with Microsoft Windows Installer 3.0 as a .msp file. For more information about deploying .msp files, see Microsoft article 884016 or visit the Microsoft Web siteand search on keyword msiexec.
  • This installer program complies with Microsoft User Account Control (UAC). If UAC is enabled, you must run the installer program in elevated mode; that is, with administrative privileges enabled. For more information about UAC, see Microsoft TechNet or visit the Microsoft Web siteand search on keyword UAC.
  • To install this hotfix successfully, servers must not have registry modification restrictions in place.
  • Slipstreaming – installations of the XenApp Server baseproduct packaged with one or more individual hotfixes – is not supported and might leave servers in an unstable state.
  • You must restart the server after the installation of this hotfix completes. However, if you are installing multiple hotfixes at the same time, there is no need to restart the server after the installation of each hotfix. It is sufficient to restart the server after the installation of the final hotfix completes.
  • If the need arises to restore the original settings and functionality provided by this hotfix, you must uninstall the hotfix before reinstalling it according to the installation instructions below.

To install this hotfix:

  1. Copy the hotfix package to an empty folder on the hard drive of the server you want to update.
  2. Close all applications.
  3. Run the executable.
  4. Restart the server. This ensures that the installation completes and that the hotfix is added to the AppCenter hotfix inventory list.

To uninstall this hotfix:

  1. From the Start menu, select Control Panel > Programs and Features.
  2. Highlight the hotfix you want to uninstall and click Uninstall.
  3. Follow the directions on-screen.

Files Updated (All Dates/Times UTC)

File Name

 

Date

 

Time

 

Size

 

BUG0271147RegBackup.vbs
03/29/2012
13:30
1,600
CPatch.exe
03/29/2012
13:30
268,200
Cpatchbackup_Files.vbs
03/29/2012
13:30
3,082
CpatchRestore_Files.vbs
03/29/2012
13:30
4,497
CpatchRestore_FilesPreInstall.vbs
03/29/2012
13:30
3,692
CtxHfLoader.dll
03/29/2012
13:30
292,784
ctxpn.sys
03/29/2012
13:30
37,184
ima_msi_ca.dll
03/29/2012
13:30
1,472,448
Ironcove_RunTime_Xml.xml
03/29/2012
13:30
4,110
mf_mm_ca.dll
03/29/2012
13:30
2,954,656
msi50ca.dll
03/29/2012
13:30
411,560
ctxpn.cat (driverfiles)
03/29/2012
13:30
7,420
ctxpn.inf (driverfiles)
03/29/2012
13:30
1,703
CPatchUI.dll (x32de)
03/29/2012
13:30
13,744
CPatchUI.dll (x32en)
03/29/2012
13:30
13,232
Error.idt (x32en)
03/29/2012
13:30
35,673
CPatchUI.dll (x32es)
03/29/2012
13:30
14,256
CPatchUI.dll (x32fr)
03/29/2012
13:30
13,744
CPatchUI.dll (x32ja)
03/29/2012
13:30
11,696
CPatchUI.dll (x32zh-cn)
03/29/2012
13:30
11,184
File Name

 

MD5 Checksum

 

XA650W2K8R2X64019.msp
82D46B95F3B7902403D892724F4B1867
BUG0271147RegBackup.vbs
5966D89CFA563AA66C4E0536D67EFABE
CPatch.exe
5F54D216BFCDE19B94B6D4339DEA9182
Cpatchbackup_Files.vbs
0EB9234E7FF2ED9E72337FF26F46AE0E
CpatchRestore_Files.vbs
1608FD85D7D1DE5273FB809F3FA4C9B1
CpatchRestore_FilesPreInstall.vbs
7720C6E607A2C322E5634FEF42211323
CtxHfLoader.dll
7C4182173F9A67809CC2D86AD52EA9EE
ctxpn.sys
533673BFE302BC6C51137366410AB87D
ima_msi_ca.dll
DEAA6DB5B0C16F74A5451C17B16716BE
Ironcove_RunTime_Xml.xml
B51077012E47914DEC0DE0A78F4355F8
mf_mm_ca.dll
A9225A273854EE0D43C0B4DE3F58FABD
msi50ca.dll
FD6B7E57B1CBA4F83BBF80E5381D89ED
ctxpn.cat (driverfiles)
F99591B78B97C7B80B48ED8E9ADF71E1
ctxpn.inf (driverfiles)
7B341604255AC81EDB857CE4F0C99BD6
CPatchUI.dll (x32de)
D8E69D6496953CC7556EC7272930A0DD
CPatchUI.dll (x32en)
8C89F045820D5E7B99DBBE025445C739
Error.idt (x32en)
8370B4898257DD82C2D81D3EF1BE893E
CPatchUI.dll (x32es)
DFC5343D39F825890F23F10CFD3509DB
CPatchUI.dll (x32fr)
F5428C37379DA6104B594373C1A84BB5
CPatchUI.dll (x32ja)
38DCEB26C12D1349CA3B2F50A1E2AD1E
CPatchUI.dll (x32zh-cn)
1B8BBF8C8E56990AF60796073D2C3F07

You can read the original post on the Citrix website here.

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