Citrix Xenapp 5.5 Protocol Driver Error
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2014 | Modified:01 Feb 2016 Languages Internal Version: CTX128115 log in to start download LOGIN Don't have an account? Create one here. Or Continue As Guest Which best describes you: IT Admin Business protocol driver error citrix xenapp 6 User DOWNLOAD Symptoms or Error Unable to open published applications from XenApp 6.x
Cannot Connect To The Citrix Xenapp Server Protocol Driver Error
and one of the following error messages might be displayed: Error 1 “Cannot connect to the Citrix XenApp server.The Citrix cannot connect to the citrix xenapp server protocol driver error windows 7 XenApp servers are reporting full load and cannot accept your connection at this time.Try to connect again after a few minutes. If you continue to receive this message, contact your Citrix administrator." cannot connect to the citrix presentation server. protocol driver error Error 2 “Unable to Launch your application, Contact your help desk with thefollowing information: Cannot connect to the Citrix XenApp server. Protocol Driver error” External connections through the NetScaler fail with a "protocol driver error" while internal connections to the same XenApp server are still successful. Error 3 “Please verify your user name and password and try logging on again. If you cannot logon, contact
Cannot Connect To The Citrix Xenapp Server. There Is No Citrix Xenapp Server Configured
your help desk.” Event logs on Web interface might display: “An error occurred while attempting to connect to the server
to launch your application. Contact your help desk with the following information: Cannot connect to the Citrix XenApp server. Protocol Driver error" Problem You attempt to cannot connect to the citrix xenapp server network issues are preventing your connection launch a XenDesktop 5.5 or 5.6 desktop through an NetScaler VPX Access cannot connect to the citrix xenapp server socket operation on non socket Gateway but receive the following error message from the Citrix Receiver: Unable to launch your application. Contact your help
Cannot Connect To The Citrix Xenapp Server. The Citrix Xenapp Server Is Not Accepting Connections
desk with the following information: Cannot connect to the Citrix XenApp server.Protocol Driver error Solution While this error message can be caused by various reasons, the first to check should be the http://support.citrix.com/article/CTX128115 following KB: Case Study: The Protocol Driver Error is displayed when starting an Application through Access Gateway Enterprise Edition in the ICA Proxy Mode http://support.citrix.com/article/CTX125718 … to determine whether you have maxed out your concurrent user sessions configured on the Access Gateway as shown in the following: Access -> Gateway -> Change authentication settings Note that you can also check to see how many http://terenceluk.blogspot.com/2012/04/attempting-to-launch-xendesktop-55-or.html active user sessions there are by navigating to: Access Gateway -> Active user sessions ------------------------------------------------------------------------------------------------------------------------------------------------------------------- I've also come across the situation where the NetScaler had no active sessions but was still suing evaluation licenses so when I went ahead to put the permanent licenses on, the error went away. Posted by Terence Luk at 7:05 PM Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Labels: Citrix, XenApp, XenDesktop 1 comment: Brandon Hudson said... Found very cool and unique info here in this blog. This is a great addition in my favorite blog list.Lenovo - 15.6" ThinkPad Notebook - 4 GB Memory - 320 GB Hard Drive - BlackLenovo - 15.6" Laptop - 4GB Memory - 500GB Hard Drive - Black Textured February 27, 2014 at 4:01 AM Post a Comment Newer Post Older Post Home Subscribe to: Post Comments (Atom) Terence Luk Search My Blog Blog Archive ► 2016 (56) ► October (1) ► September (2) ► August (1) ► July (5) ► June (4) ► May (8) ► April (6) ► March (4) ► February (11) ► January (14) ► 2015 (78) ► December (10) ► November
launch your application. Contact your help desk with the following information: Cannot connect to the Citrix XenApp server. Protocol Driver error" For those http://terenceluk.blogspot.com/2012/04/launching-xendesktop-55-or-56-desktop.html who may have come across one of my previous posts: Attempting to launch a XenDesktop 5.5 or 5.6 desktop through an NetScaler Access Gateway throws the error: "Unable to launch your application. Contact your help desk with the following information: Cannot connect to the Citrix XenApp server. Protocol Driver error" http://terenceluk.blogspot.com/2012/04/attempting-to-launch-xendesktop-55-or.html … may recall that the error above was caused citrix xenapp by the fact that you may have maxed out your concurrent user sessions configured on the Access Gateway. What I recently discovered was that this error could also be caused by the access gateway not being able to contact the web interface server via session reliability using the TCP 2598 port. If you encounter this error, you can perform a quick cannot connect to test by unchecking the Enable session reliability checkbox: … to see if the Citrix XenDesktop virtual desktop launches and if it does, it means your Citrix access gateway was able to use the TCP 1494 port to communicate with the web interface servers. One of the easiest ways to check to see if your access gateway can successfully communicate to the backend server via either the TCP 2598 or 1494 ports is to set up services in the Load Balancing -> Services node for both ports to see if the state is up or down: Notice how in the above screenshot I have 3 services set up: sessionreliability_test ica-test http_test The last http_test is not important as that's just testing port 80 while the sessionreliability_test and ica-test are the services that allow us to test whether the Citrix access gateway can successfully communicate to the XenApp servers through TCP 2598 or 1494 port. This trick is definitely useful and handy to know of while troubleshooting access gateway issues. The following is what the service configuration looks like: Prior to