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FusionAccess V1R3 – CT2000 version 1.10.06 problem with Citrix WI Gateway mode configuration

Publication Date:  2015-03-10 Views:  68 Downloads:  1
Issue Description
When we upgraded the TC from version 1.10.02 to 1.10.06 and installed the NetScaler Root certificate on the TC using a patch, we couldn’t log to the VM and it gave the 1030 error code.
Handling Process
1) We checked the tasks of the TC and we found abnormal behavior. CPU is 100% and each time we try to open the VM a new task named “wfica.real” is created.

2) We suspected the TC version so we downgraded the version from 1.10.06 to 1.10.05, after downgrade we can open the VM from TC through NetScaler AG normally with no problems.

3) To isolate the problem more and to know which part of the version makes the problem, we suspected the Citrix Receiver version on the TC.

Citrix receiver version on 1.10.05: 12.2.4.216636
Citrix receiver version on 1.10.06: 12.5.3.243701

On version 1.10.06, we downgraded the Citrix Receiver version from 12.5.3.243701 to 12.2.4.216636

4) After the Citrix receiver version downgrade, we can open the VM from TC through NetScaler AG normally with no problems.

5) Now we are sure that the problem is because Citrix Receiver Version on 1.10.06.

6) To find the root cause of this problem, R&D created the same environment in HQ LAB and Test in HQ with the same version was successful so they started to compare the entire configuration files till we found the only difference between configuration in customer site and in HQ.

7) The difference was in the Citrix WI configuration file.

WI configuration file is in the path (C:\inetpub\wwwroot\VDesktop\conf\WebInterface.conf)

In the file the only difference was in the parameter
【In HQ environment】
AutoLaunchDesktop=Off
CSG_UseTwoTickets=Off
EnableSTALoadBalancing=On

【In XXX Project environment】
AutoLaunchDesktop=On
CSG_UseTwoTickets=On                                   
EnableSTALoadBalancing=On


8) This parameter in the WI configuration file is configured in the WI GUI

When select the option “Request tickets from two STAs, where available” the parameter “CSG_UseTwoTickets” in the WI configuration is set to ON.

9) After unselect the “Request tickets from two STAs, where available” the parameter “CSG_UseTwoTickets” in the WI configuration is set to OFF.

10) We tested again with the 1.10.06 and with the Citrix Receiver version 12.5.3.243701 and we can open the VM from TC through NetScaler AG normally with no problems.
Root Cause
1) Citrix Receiver version 12.5.3.243701 which is embedded in Linux TC version 1.10.06 has a conflict with the WI Gateway configuration parameter “CSG_UseTwoTickets” and we CANNOT log to the VM

2) Citrix Receiver version 12.2.4.216636 which is embedded in Linux TC version 1.10.05 has no conflict with the WI Gateway configuration parameter “CSG_UseTwoTickets” and we CAN log to the VM
Solution
Recommendation is to deselect the optional “Request tickets from two STAs, where available” parameter in the Citrix WI Gateway configuration. 

END