Technotes: Error: You have exceeded the concurrent connection limit. Please contact your system administrator. #citrix

Technotes: Error: You have exceeded the concurrent connection limit. Please contact your system administrator.: Error: You have exceeded the concurrent connection limit. Please contact your system administrator.

Error: You have exceeded the concurrent connection limit. Please contact your system administrator.

Document ID: CTX108846 / Created On: Feb 23, 2007 / Updated On: Feb 13, 2012

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Symptoms

A user is able to launch one application, but when the user tries to launch another application, the following error message appears:

"You have exceeded the concurrent connection limit. Please contact your System Administrator."

In addition, an Event ID 26 might be created in the System log of the server:

Cause

There is a limit on the number of concurrent sessions a server can have or a user can launch.

If applications are not sharing the same session, this issue can be more prevalent.

See CTX159159 – Troubleshooting and Explaining Session Sharing

Resolution

Ensure that there are no limits to the number of concurrent sessions.

Check:

Policies:

The farm properties:

XenApp 6 Computer Policy:

XenApp 6 User Policy:

The ICA Listener:

See CTX102345 – Windows 2003, 2008, and 2008 R2 Sessions Reconnect to Existing Sessions from Different Devices

More Information

CTX113787 – Error: You already have an instance of this application open and are not allowed to run more than one instance.

CTX110053 – Errors: You already have an instance of this application open and are not allowed to run more than one instance... OR The Citrix server has reached its concurrent application limit for this application.

Limiting connections to a server farm:

This document applies to:

• MetaFrame Presentation Server 3.0 for Microsoft Windows 2000
• MetaFrame Presentation Server 3.0 for Microsoft Windows 2003
• MetaFrame XP 1.0 for Microsoft Windows 2000
• MetaFrame XP 1.0 for Microsoft Windows 2003
• Presentation Server 4.0 for Microsoft Windows 2000
• Presentation Server 4.0 for Microsoft Windows 2003
• Presentation Server 4.5 for Windows Server 2003
• XenApp 5.0 for Windows Server 2003 x86
• XenApp 5.0 for Windows Server 2008 x64
• XenApp 5.0 for Windows Server 2008 x86
• XenApp 6.0 for Windows Server 2008 R2