Performance
Recommendations and Tools
Windows Server 2008 specific
Citrix specific tools
Logon and logoff delays
If you have a problem with long logon and logoff times, don't forget to check the EventLog on the Terminal Server.
If the problem is caused by a profile load or unload error, you will find an event saying so.
In that case, check the Profiles page.
- 969972 - You encounter a slow application startup or a slow logon on a computer that is running Windows Server 2008 or Windows Vista after you apply software restriction policies
- 959488 - The logon process may take a long time when you try to log on to a Windows Vista-based or Windows Server 2008-based computer
- 955457 - It takes longer to log on to a Windows Server 2003-based terminal server than expected when you enable Group Policy preferences in the terminal server
- 941158 - After Internet Explorer Maintenance Group Policy settings are configured in a domain, a 20-second delay occurs when you log on to the domain from a client computer that has Internet Explorer 7 installed
- 274740 - Initial Program List Determines When the Terminal Server Session Ends
- 324446 - Terminal Server and connected Terminal Services clients pause when a Terminal Services client logs on or logs off Lanman + LazyFlush
- 927182 - When a user logs off a Windows Server 2003 Service Pack 1 or Service Pack 2-based terminal server, the terminal server may stop responding for several seconds post-SP2 hotfix
- 901196 - A remote session does not end immediately on a computer that is running Windows Server 2003 Service Pack 1 certificate autoenrollment
- 831962 - A remote desktop session may experience a long delay when you try to log off an Advanced Client computer with SMS 2003
- 944003 - Terminal Servers performance slow down or hang with TrendMicro OfficeScan
- 2020286 - Slow RDP logon caused by large WMI repository size
Application performance problems
File access delays / SMB problems
- SMB Tuning for XenApp and File Servers on Windows Server 2008
- 948572 - A handle leak occurs in a Server Message Block (SMB) session between two Windows Vista-based computers or between two Windows Server 2008-based computers
- Does Your Environment Need SMB Tuning? - by Michel Roth
- 955427 - Copy process is very slow when you copy large files from one computer to another computer in a high-bandwidth network environment if both computers are running either Windows Vista or Windows Sever 2008 TCP
- 956592 - A significant delay occurs when you try to expand a subfolder of a network drive in Windows Explorer on a Windows Vista-based or Windows Server-based client computer
- 947773 - A Windows Server 2003-based computer responds slowly to RDP connections or to SMB connections that are made from a Windows Vista-based computer TCP autotuning
- 317249 - How to troubleshoot Event ID 2021 and Event ID 2022 Lanman - all OS
- 830265 - You receive an "Out of memory" error message when you try to save a file third-party file system filter driver
- 915377 - You experience slow performance when you try to access shared resources by using Windows Explorer on a client computer that is running Windows XP or Windows Server 2003 DFS - XP + 2003 hotfix
- 813546 - Slow Performance During a Remote Assistance Session File Transfer 2003
- 923360 - You may experience various problems when you work with files over the network on a Windows Server 2003-based or Windows 2000 Server-based computer with Symantec or eTrust antivirus software
- 822219 - You experience slow file server performance and delays occur when you work with files that are located on a file server with anti-virus and backup software
Misc. performance problems
- 961805 - Home Folder searched when starting an Application on Terminal Server
- 950086 - A memory leak may occur in the nonpaged pool memory on the Windows Server 2008-based terminal server when you log on to and log off from a Windows Server 2008-based terminal server through an RDP connection
- 312362 - Server is unable to allocate memory from the system paged pool
- 906952 - Event ID 2020 and event ID 1000 are logged and the registry size limit is exceeded on a computer that is running Terminal Services in Application Server mode and Windows Server 2003 or Windows 2000
- 934330 - The Csrss.exe process in a terminal-server session continuously consumes more than 50 percent of CPU resources on a Windows Server 2003-based terminal server
- 837585 - Several orphaned Csrss.exe processes cause performance issues on a terminal server that is running Windows 2000 or Windows Server 2003
- 827350 - Clients cannot connect to a Terminal server when Csrss.exe and Termsrv.exe spike at 100 percent CPU usage
- 937375 - You experience slow performance and high CPU utilization on a Windows Server 2003 Terminal Server post-SP2 hotfix
Citrix specific performance problems
- CTX101705 - Troubleshooting Slow Logons
- CTX133873 - Slow Logons in XenApp Sites with Read-Only Domain Controllers
- CTX126335 - Considerations for Maximizing Concurrent Logons or Session Launches on XenApp
- 936655 - A Citrix process uses 4 gigabytes (GB) of nonpaged pool memory on a Microsoft Windows Server 2003-based computer
- 839953 - A Citrix session may respond very slowly when you log on to the session from a Windows XP-based computer
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