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Sunday, May 31, 2009
Terminal Server & XenApp Tuning Tips
By Pierre Marmignon @ 7:46 PM :: 24325 Views :: 8 Comments :: Article Rating :: XenApp, Tuning, Terminal Server, Tech Tips		Bookmark and Share  

Working in SBC environments for some years now I've used some best practices documents like the well known Methodology In a Box (MIAB) from Douglas Brown or the MF Tuning Tips from Rick Delingher.

These documents, although really pertinent, are now quite outdated and do not include the latest OS and XenApp releases.

The purpose of this article is an attempt to summarize all Tuning Tips I've found (and also that I'm using) and describe the target operating system / XenApp version(s) they're working for.

Do not hesitate to give us your comments for this Article to be updated with your experience and feedback.

Please note that these informations are provided "as is" and that using these tips is at your own risks.

Please also Note that all REG_DWORD values are provided in decimal format.

All Registry Hives are provided for x86 platforms. For x64 Platforms, do not forget to add "WoW6432Node" if hive is in HKLM\Software.

 

Operating System Tuning for XenApp / Terminal Services

 

Registry HiveValueTypeDataPurpose(s)Platform(s)
HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\parameters DisableDHCPMediaSense REG_DWORD 1Disables Windows AutoSense W2K / W2K3 / W2K8 
HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\parameters KeepAliveTime REG_DWORD 60000Determines how often TCP sends keep-alive transmissions W2K / W2K3 / W2K8 
HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\parameters KeepAliveInterval REG_DWORD 100Determines how often TCP repeats keep-alive transmissions when no response is received W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\parameters TcpMaxDataRetransmissions REG_DWORD 10Determines how many times TCP retransmits an unacknowledged data segment on an existing connection W2K / W2K3 / W2K8
HKLM\SOFTWARE\microsoft\Windows NT\CurrentVersion\Winlogon WaitForNetwork REG_DWORD 1Enables Netlogon to wait for the Network to be active W2K3 / W2K8
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AeDebug Debugger REG_SZ Nothing ("")Disables Dr Watson W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\wuauserv Start REG_DWORD 4Disables Windows Update Service W2K / W2K3 / W2K8
HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\VisualEffects VisualFXSetting REG_DWORD 2Sets Visual effects to "Optimize for Best Performances" W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Print\Providers EventLog REG_DWORD 0Disables Logging of Print Events W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\Spooler ErrorControl REG_DWORD 2Disable Spooler errors from being displayed on the server console W2K / W2K3 / W2K8
HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System DontDisplayLastUserName REG_DWORD 1Removes Display of Last Username W2K / W2K3 / W2K8
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon DeleteRoamingCache REG_DWORD 1Deletes the Roaming Profiles cache after Logoff W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Windows ErrorMode REG_DWORD 2Disables Console error Messages W2K / W2K3 / W2K8

HKLM\SYSTEM\CurrentControlSet\Services\EventLog\Application

 MaxSize REG_DWORD 2097152Sets Application Event's Log maximum size to 2048 W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\EventLog\Application Retention REG_DWORD 0Sets Circular Events logging W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\EventLog\Security MaxSize REG_DWORD  2097152Sets Security Event's Log maximum size to 2048 W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\EventLog\Security Retention REG_DWORD 0Sets Circular Events logging W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\EventLog\System MaxSize REG_DWORD  2097152Sets System Event's Log maximum size to 2048 W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\EventLog\System Retention REG_DWORD 0Sets Circular Events logging W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp fDisableCpm REG_DWORD 1Disables Terminal Server Client Printers Mapping. This ensures that admin won't upload print drivers when connecting to any server for Administration purposes W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\CiSvc Start REG_DWORD 4Disables the Indexing Service W2K / W2K3 
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon BufferPolicyReads REG_DWORD 1Optimizes GPO Execution when Opportunistic Locks are Disabled W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server IdleWinStationPoolCount REG_DWORD 4Raises the Number of ICA / RDP Listeners W2K
HKLM\System\CurrentControlSet\Control\Keyboard Layout IgnoreRemoteKeyboardLayout REG_DWORD 0Disabled the Ignore of remote keyboards layouts W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\FileSystem NtfsDisableLastAccessUpdate REG_DWORD 1Sets NTFS not to update the last-access timestamp on each directory when it lists the directories on an NTFS volume W2K / W2K3 / W2K8
 HKLM\SYSTEM\CurrentControlSet\Control\PriorityControl Win32PrioritySeparation REG_DWORD 38Foreground application more reponsive than background W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management LargeSystemCache REG_DWORD 1Provides a large virtual address space for the cache. W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management IoPageLockLimit REG_DWORD 65536Specifies the maximum number of bytes that can be locked for I/O operations W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management DisablePagingExecutive REG_DWORD 1Drivers and the kernel must remain in physical memory W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserOverride\Control Panel\Desktop AutoEndTasks REG_SZ 1Determines whether user processes end automatically when the user either logs off. W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserOverride\Control Panel\Desktop WaitToKillAppTimeout REG_SZ 20000Determines how long the system waits for user processes to end after the user attempts to log off W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserOverride\Control Panel\Desktop MenuShowDelay REG_SZ 10Changes the Start menu display interval W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserOverride\Control Panel\Desktop CursorBlinkRate REG_SZ -1Specifies how much time elapses between each blink of the selection cursor W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserOverride\Control Panel\Desktop DisableCursorBlink REG_DWORD 1Enables / Disables Cursor BLink W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserOverride\Control Panel\Desktop DragFullWindows REG_SZ 0Specifies what appears on the screen while a user drags a window / Only the outline of the window moves W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserOverride\Control Panel\Desktop SmoothScroll REG_DWORD 0Scrolls using smooth scrolling W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserOverride\Control Panel\Desktop Wallpaper REG_SZ (none)Sets Wallpaper to "None" W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserOverride\Control Panel\Desktop\WindowsMetrics MinAnimate REG_SZ 0Disabled. Window does not animate while being resized W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp\UserOverride\Control Panel\Desktop InteractiveDelay REG_DWORD 40Optimizes Explorer and Start Menu responses Times W2K / W2K3 / W2K8
HKLM\System\CurrentControlSet\Services\LanmanServer\Parameters MaxWorkItems REG_DWORD 512Server Service Optimization W2K / W2K3 / W2K8
HKLM\System\CurrentControlSet\Services\LanmanServer\Parameters MaxMpxCt REG_DWORD 2048Server Service Optimization  W2K / W2K3 / W2K8
HKLM\System\CurrentControlSet\Services\LanmanServer\Parameters MaxFreeConnections REG_DWORD 100Server Service Optimization W2K / W2K3 / W2K8
HKLM\System\CurrentControlSet\Services\LanmanServer\Parameters MinFreeConnections REG_DWORD 32Server Service Optimization W2K / W2K3 / W2K8
HKLM\System\CurrentControlSet\Services\LanmanWorkstation\Parameters MaxCmds REG_DWORD 2048Increases Network capacity W2K / W2K3 / W2K8
HKLM\System\CurrentControlSet\Services\LanmanWorkstation\Parameters UtilizeNTCaching REG_DWORD 0Disable Caching W2K / W2K3 / W2K8
HKLM\System\CurrentControlSet\Services\LanmanWorkstation\Parameters MaxThreads REG_DWORD 17Maximum Concurrent Threads W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\MRXSmb\Parameters OplocksDisabled REG_DWORD 1Disables Opportunistic Locking W2K / W2K3 / W2K8
HLM\SYSTEM\CurrentControlSet\Services\Lanmanworkstation\Parameters UseOpportunisticLocking REG_DWORD 0Disables Opportunistic Locking  W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\Lanmanserver\Parameters EnableOplocks REG_DWORD 0Disables Opportunistic Locking   W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\lanmanserver\Parameters Size REG_DWORD 3Optimizes Network Performances for Applications (Along with LargeSystemCache) W2K / W2K3 / W2K8
HKLM\System\CurrentControlSet\Control\Session Manager RegistryLazyFlushInterval REG_DWORD 30Registry Flush Interval W2K / W2K3 / W2K8
HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{44BBA840-CC51-11CF-AAFA-00AA00B6015C} StubPath REG_SZ ""Disable Outlook Express Icon Creation W2K / W2K3
HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{7790769C-0471-11d2-AF11-00C04FA35D02} StubPath  REG_SZ ""Disable Windows Address Book Icon Creation W2K / W2K3
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon DefaultDomainName REG_SZ YourDefaultDomainSets Default Logon Domain W2K / W2K3 / W2K8
HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services WFDontAppendUserNameToProfile REG_DWORD 1Allow Mandatory Profiles Configuration via GPO.  This Setting needs KB908011 or W2K3 SP2 to be installed on each Server W2K3
HKLM\SOFTWARE\Policies\Microsoft\Internet Explorer\Restrictions RestGoMenu REG_DWORD 1Disable 'Mail and News' Menu from Internet Explorer W2K / W2K3 / W2K8
HKLM\SYSTEM\CurrentControlSet\Services\BNNS\Parameters EnableOffload REG_DWORD 0Recommend Performance Best Practice when Your XenApp Servers are Deployed via Provisioning Server 

Along with these registry settings, do not forget to install UPHClean (W2K / W2K3) to manage profiles at logoff and ensure no lock will remain leading to profiles corruption and long logoff times.

UPHClean is natively embedded into Windows 2008 and later (User Profile Service).

 Also, as a Best Practice, it is recommended to Disable Data Execution Prevention on Windows 2003 and Windows 2008.

To do so, you have to modify the boot.ini file or use one of the following command line(s)

  • For Windows 2003 : bootcfg.exe /raw /fastdetect /noexecute=AlwaysOff /ID 1
  • For Windows 2008 : bcdedit.exe /set {current} nx AlwaysOff

 

 

Additional Windows Explorer Tuning

 

The following Tuning Values are an extract from an Helge Klein blog post and were added on June, 1rst 2009 (Thanks to Laurent Falguiere for pointing these settings in his comment)

 

Registry HiveValueTypeDataPurpose(s)Platform(s)
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer UseDesktopIniCache REG_DWORD 1http://support.microsoft.com/kb/840309/EN-US W2K3 / W2K8
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer NoRemoteRecursiveEvents REG_DWORD 1http://support.microsoft.com/?scid=kb%3Ben-us%3B330929&x=9&y=10 W2K3 / W2K8
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer NoRemoteChangeNotify REG_DWORD 1http://support.microsoft.com/?scid=kb%3Ben-us%3B812669&x=14&y=12 W2K3 / W2K8
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer StartRunNoHOMEPATH REG_DWORD 1http://support.microsoft.com/?scid=kb%3Ben-us%3B264061&x=18&y=9 W2K3 / W2K8
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer NoRecentDocsNetHood REG_DWORD 1http://support.microsoft.com/?scid=kb%3Ben-us%3B264061&x=18&y=9 W2K3 / W2K8
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer NoDetailsThumbnailOnNetwork REG_DWORD 1http://support.microsoft.com/?scid=kb%3Ben-us%3B830903&x=17&y=18 W2K3 / W2K8
HKLM\System\CurrentControlSet\Services\MRXSmb\Parameters InfoCacheLevel REG_DWORD 16http://support.microsoft.com/kb/834350/EN-US W2K3 / W2K8
HKCR\*\shellex\PropertySheetHandlers\CryptoSignMenu SuppressionPolicy REG_DWORD 65536http://support.microsoft.com/kb/829700/EN-US W2K3 / W2K8
HKCR\*\shellex\PropertySheetHandlers\{3EA48300-8CF6-101B-84FB-666CCB9BCD32} SuppressionPolicy REG_DWORD 65536http://support.microsoft.com/kb/829700/EN-US W2K3 / W2K8
HKCR\*\shellex\PropertySheetHandlers\{883373C3-BF89-11D1-BE35-080036B11A03} SuppressionPolicy REG_DWORD 65536http://support.microsoft.com/kb/829700/EN-US W2K3 / W2K8
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\SCAPI Flags REG_DWORD 1051650http://support.microsoft.com/kb/829700/EN-US W2K3 / W2K8
HKLM\\SYSTEM\CurrentControlSet\Control\Session Manager SafeDllSearchMode REG_DWORD 1http://support.microsoft.com/kb/306850/EN-US W2K
HKLM\\SYSTEM\CurrentControlSet\Control\Session Manager SafeProcessSearchMode REG_DWORD 1http://support.microsoft.com/?scid=kb%3Ben-us%3B905890&x=13&y=9 W2K3 / W2K8

 

 

XenApp Tuning

 

Registry HiveValueTypeDataPurpose(s)Platform(s)
HKLM\Software\Citrix\Print DefaultPrnFlags REG_DWORD 134217728Disables Logging of Print Events XenApp 4.X / 5.X
HKLM\Software\Citrix\Print DefaultPrnFlags REG_DWORD 536870912Ensures Autocreated printers ACL are always enforced XenApp 4.X / 5.X 
HKLM\Software\Citrix\IMA\LMS EnableTranslation REG_DWORD 1Ensures IMA LMS will work on MUI Operating Systems XenApp 4.0
HKLM\SYSTEM\CurrentControlSet\Control\Citrix\wfshell\TWI LangBarDeminimizerFlags REG_DWORD 1Hides the Language bar if it is not needed XenApp 4.X / 5.X 
HKLM\SYSTEM\CurrentControlSet\Control\Citrix\wfshell\TWI SeamlessFlags REG_DWORD 524288Won't Sync the WorkArea within Seamless Application : Application's Title Bar will be "normal" when accessed from clients using the Windows XP / Vista Themes  XenApp 4.X / 5.X 
HKLM\SYSTEM\CurrentControlSet\Control\Citrix\wfshell\TWI LogoffCheckSysModules REG_SZ wistpis.exeSpecified modules will be forced to unload when the published application will be exited XenApp 4.X / 5.X 
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ICA-Tcp\UserOverride\Control Panel\Desktop AutoEndTasks REG_SZ 1 Determines whether user processes end automatically when the user either logs off. XenApp 4.X / 5.X
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ICA-Tcp\UserOverride\Control Panel\Desktop WaitToKillAppTimeout REG_SZ 20000Determines how long the system waits for user processes to end after the user attempts to log off XenApp 4.X / 5.X
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ICA-Tcp\UserOverride\Control Panel\Desktop MenuShowDelay REG_SZ 10Changes the Start menu display interval XenApp 4.X / 5.X
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ICA-Tcp\UserOverride\Control Panel\Desktop CursorBlinkRate REG_SZ -1Specifies how much time elapses between each blink of the selection cursor XenApp 4.X / 5.X
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ICA-Tcp\UserOverride\Control Panel\DesktopDisableCursorBlinkREG_DWORD 1Enables / Disables Cursor BlinkXenApp 4.X / 5.X
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ICA-Tcp\UserOverride\Control Panel\Desktop DragFullWindows REG_SZ 0Specifies what appears on the screen while a user drags a window / Only the outline of the window moves XenApp 4.X / 5.X
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ICA-Tcp\UserOverride\Control Panel\Desktop SmoothScroll REG_DWORD 0Scrolls using smooth scrolling XenApp 4.X / 5.X
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ICA-Tcp\UserOverride\Control Panel\Desktop Wallpaper REG_SZ (none)Sets Wallpaper to "None"  XenApp 4.X / 5.X
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ICA-Tcp\UserOverride\Control Panel\Desktop\WindowsMetrics MinAnimate REG_SZ 0Disabled. Window does not animate while being resized  XenApp 4.X / 5.X
HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\ICA-Tcp\UserOverride\Control Panel\Desktop InteractiveDelay REG_DWORD 40Optimizes Explorer and Start Menu responses Times XenApp 4.X / 5.X
HKLM\SYSTEM\CurrentControlSet\Services\CTXCPUREBal Start REG_DWORD 2On Enterprise Servers Only, with Multiples CPU Only. Enables the "Citrix CPU Rebalancing Service" which is responsible for spreading non multi cpu applications loads to all CPUs. XenApp 4.X / 5.X

 

User Profile Tuning

 

The following settings are designed to tune the Default user profile. I'm mainly using them within Mandatory Profiles or Template Profile for Citrix Portable Profiles.

 

Registry HiveValueTypeDataPurpose(s)
HKCU\Control Panel\Desktop AutoEndTasks REG_SZ 1 Determines whether user processes end automatically when the user either logs off.
HKCU\Control Panel\Desktop WaitToKillAppTimeout REG_SZ 20000Determines how long the system waits for user processes to end after the user attempts to log off
HKCU\Control Panel\Desktop MenuShowDelay REG_SZ 10Changes the Start menu display interval
HKCU\Control Panel\Desktop CursorBlinkRate REG_SZ -1Specifies how much time elapses between each blink of the selection cursor
HKCU\Control Panel\Desktop DisableCursorBlink REG_DWORD 1Enables / Disables Cursor Blink
HKCU\Control Panel\Desktop DragFullWindows REG_SZ 0Specifies what appears on the screen while a user drags a window / Only the outline of the window moves
HKCU\Control Panel\Desktop SmoothScroll REG_DWORD 0Scrolls using smooth scrolling
HKCU\Control Panel\Desktop Wallpaper REG_SZ (none)Sets Wallpaper to "None" 
HKCU\Control Panel\WindowsMetrics MinAnimate REG_SZ 0Disabled. Window does not animate while being resized 
HKCU\Control Panel\Desktop InteractiveDelay REG_DWORD 40Optimizes Explorer and Start Menu responses Times
HKCU\\Software\Microsoft\Windows\CurrentVersion\Explorer\VisualEffects VisualFXSetting REG_DWORD 2Sets Visual effects to "Optimize for Best Performances"
HKCU\Software\Microsoft\Internet Explorer\Main Force Offscreen Composition REG_DWORD 1Force Internet Explore to use Offscreen Composition
HKCU\Software\Microsoft\CTF Disable Thread Input Manager REG_DWORD 1Disables Language Bar 1/4
HKCU\Software\Microsoft\CTF\LangBar ExtraIconsOnMinimized REG_DWORD 0Disables Language Bar 2/4
HKCU\Software\Microsoft\CTF\LangBar ShowStatus REG_DWORD 2Disables Language Bar 3/4
HKCU\Software\Microsoft\CTF\MSUTB ShowDeskBand REG_DWORD 1Disables Language Bar 4/4
 

 

XenApp Client Tuning

 

The following settings are designed to tune / debug the XenApp / XenDesktop ICA Client. These tips are extracted from an article originally published on Jim Moyle's Blog. I'd like to thank him for contacting me and asking me to add them to our existing tuning Article.

 

DescriptionKeyValue NameValue
Automatically repair clipboard chain
CTX112434
HKEY_LOCAL_MACHINE\SOFTWARE \Citrix\ICA Client\Engine\Configuration\Advanced \Modules\WFClient
CbChainInterval
<value> 0-2000 valid
Prevent long logon script time breaking session sharing

CTX114379

HKEY_LOCAL_MACHINE\SOFTWARE \Citrix\ICA Client\Engine\Configuration\Advanced \Modules\WFClient\
ucConnTimeout
<string value> needs to be >20
Log the Launch.ica file to a Client Local File
CTX115304
HKEY_LOCAL_MACHINE\SOFTWARE \Citrix\ICA Client\Engine\Configuration\Advanced \Modules\Logging
LogFile=<path to file to log to that you want, use following format C:\ica\ica.log>
LogICAFile=true
Disable selected virtual channels from the client side
CTX116890
HKEY_LOCAL_MACHINE\SOFTWARE \Citrix\ICA Client\Engine\Configuration\Advanced \Modules\ICA 3.0
Remove relevant value
 
Revert to 9.x printing behaviour for a specific driver
CTX115553
HKEY_LOCAL_MACHINE\Software \Citrix\ICA Client
ReprocessEMFDriverList
<driver name>
Allow more than 20 client files open from a client mapped drive

CTX117315

HKEY_LOCAL_MACHINE\ SOFTWARE\Citrix\ICA Client\Engine\Configuration\Advanced \Modules\ClientDrive
MaxOpenContext
<value> eg 50
Prevent a seamless window from permanently hiding a minimized taskbar

CTX821811

HKEY_LOCAL_MACHINE\ SOFTWARE\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Seamless Windows
TWIShrinkWorkArea
Value: 5
Allow Custom Virtual Channels in ICA after upgrading from an earlier client

CTX113279

HKEY_LOCAL_MACHINE\ SOFTWARE\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Third Party\CustomVC
VirtualChannels“”
How to use print screen in ICA sessions

CTX113344

HKEY_LOCAL_MACHINE\ SOFTWARE\Citrix\ICA Client\Engine\Configuration\Advanced \Modules\WFClient
ICAPrntScrnKey
<value> eg F12
Make a seamless window the focus as soon as it activates

CTX112499

HKEY_LOCAL_MACHINE\ Software\Citrix\ICA Client\Engine\Configuration\Advanced \Modules\WFClient
TWISeamlessFlag
1

 

Microsoft Office Tuning

 

The following settings are designed to tune Microsoft Office Applications for Terminal services / XenApp Use.

To use with your Office Version, Replace the #OfficeVersion# token with :

  • 9.0 for Microsoft Office 2000
  • 10.0 for Microsoft Office XP
  • 11.0 for Microsoft Office 2003
  • 12.0 for Microsoft Office 2007

When a token is not specified that's because the Tip do not apply to all versions

 

Registry HiveValueTypeDataPurpose(s)
HKLM\Software\Microsoft\Office\11.0\Excel\Options AlwaysSaveToCurrentPath REG_DWORD 1Always Save in Current Path(Even Remote Documents)
HKLM\Software\Policies\Microsoft\Office\#OfficeVersion#\Word\Options\vpref fSplBkg_99_1 REG_DWORD 0Word : Disables Check Spelling as You Type
HKLM\Software\Policies\Microsoft\Office\#OfficeVersion#\Word\Options fGramBkg_535_1 REG_DWORD 0Word : Disables Check Grammar as You Type
HKLM\Software\Policies\Microsoft\Office\#OfficeVersion#\Word\Options\Assist fCorrectTyping_16_1 REG_DWORD 0Word : Disables Text Replacement As You Type
HKLM\Software\Policies\Microsoft\Office\#OfficeVersion#\Excel\Options fAnimationsOK_129_1 REG_DWORD 0Excel : Disables Provide a Feedback With Animation
HKLM\SYSTEM\Software\Policies\Microsoft\Office\#OfficeVersion#\PowerPoint\Options Background spell checking REG_DWORD 0Powerpoint : Disables Check Spelling as You Type
HKLM\Software\Microsoft\Office\11.0\Common\Open Find\Places\StandardPlaces\Desktop Show REG_DWORD 0 or 1 Manages the Display of the Desktop link Within Office Places Bar
HKLM\Software\Microsoft\Office\11.0\Common\Open Find\Places\StandardPlaces\MyComputer Show REG_DWORD 0 or 1 Manages the Display of the My Computer link Within Office Places Bar
HKLM\Software\Microsoft\Office\11.0\Common\Open Find\Places\StandardPlaces\MyDocuments Show REG_DWORD  0 or 1 Manages the Display of the My Documents link Within Office Places Bar
HKLM\Software\Microsoft\Office\11.0\Common\Open Find\Places\StandardPlaces\Publishing Show REG_DWORD  0 or 1 Manages the Display of the Network Locations link Within Office Places Bar
HKLM\Software\Microsoft\Office\11.0\Common\Open Find\Places\StandardPlaces\Recent Show REG_DWORD  0 or 1 Manages the Display of the Recent Documents link Within Office Places Bar

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bsorenson
# bsorenson
Friday, July 24, 2009 8:37 PM
We just saw an instance where a .NET application, Peachtree 2009 and 2010 would NOT load screens due to the CursorBlinkRate being changed. It took us over 100 hours of time with more then 40 hours on the phone with Peachtree to narrow it down and find it. Setting it breaks the Peachtree application and it's related to those screens being written in .NET.

Just posting this as many of our optimizations came from this site for our Terminal Server environment. Beware!

Thanks,
Bill Sorenson
bsorenson@ivdesk.com
www.IVDesk.com
Pierre Marmignon
# Pierre Marmignon
Friday, July 24, 2009 9:04 PM
Dear Bill,

Sorry for the side effects you've encountered.

I've never seen such a problem with the Cursor Blink Rate being modified in years of use.

Thanks for your feedback.

Best Regards,

Pierre
Sam
# Sam
Wednesday, August 12, 2009 12:31 PM
i remember that there was a guy who made an adm template with these settings so u can enforce them via gpo , is that still available ? and did he updated it ?
Pierre Marmignon
# Pierre Marmignon
Wednesday, August 12, 2009 12:37 PM
Hi,

Yes there is an adm with these settings. You can find it on The XenApp Blog

Pierre
Pierre Marmignon
# Pierre Marmignon
Thursday, August 20, 2009 11:47 AM
Alexander Ervik has also released an admx template with these tuning settings.

The Admx file is available at Ervik.as
FD
# FD
Tuesday, September 01, 2009 11:10 AM
Hi Pierre,
I remeber from the old Methodology in a Box from DABCC that the HKLM\SYSTEM\CurrentControlSet\Control\PriorityControl Win32PrioritySeparation should be set to backgroung process (value of 24) rather than foregroung (value of 38) because of the way sessions are managed. would it be possible to investigate a little more on that settings? BTW it is possible to change that setting via Start -> Settings -> Control Panel -> System -> Advanced Tab -> Performance Options
-> Set Application response to ‘Background services’

Regards,
FD
Pierre Marmignon
# Pierre Marmignon
Tuesday, September 01, 2009 5:16 PM
Dear FD, Yes you're right !

I've always set it to optimize "For applications" (even if other articles were saying to set it to "Background Services") because even it's not a "ideal" setting for Terminal Server / XenApp Servers it boosts the CPU Scheduling.

However, for some XenApp requirements, you could have to set it back to "BackGround Services".

You can read this nice article about it from Jeremy Saunder's about it !

Best Regards,

Pierre
vvuccino
# vvuccino
Tuesday, September 29, 2009 4:15 PM
Hi

Thanks for this post.

For me HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\VisualEffects

doesn't work.(option box doesnt changed in advanced settings)

But I try in HKCU, and here it works fine. (option box are well Displayed in advanced settongs)

Do you think it's just the display or settings are in HKCU ?


Bye

Vincent

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