CCAT Troubleshooting TrainingXenApp

April 2012

Citrix Consulting Architecture Team

•XenApp Troubleshooting Methodology

•XenApp Common Issues

Agenda

XenApp – Troubleshooting Methodology

• Zone Data Collectors:

• XML: 80 (default), 8080 (might as well be default), 443 (SSL)

• STA: Linked to XML

• Member Servers:

• ICA: 1494

• Session Reliability: 2598

• CTX Licensing: 27000

XenApp Ports

• Management Communication Ports:

• IMA: 2512

• Management Console: 2513

• MS SQL Database: 1433/1434

• Reference: CTX101810

XenApp Ports

• Application Enumeration

• Application Launch

• Session Performance Issues

• Virtual Channel Debugging

• XenApp Farm Administration

Common Problem Areas in XenApp

• Application Enumeration - CTX123028

• Citrix ICA File Creator - CTX113472

• EdgeSight for Session Performance (for now)

• Desktop Director, Powershell scripts (in the future)

• Check out - CTX126294 for full list of troubleshooting tools

Tools of Trade to Use

Labs

Common Issues

Error: No servers available for this application.

1. Check the application properties. Ensure the application has servers defined and is not disabled

2. Ensure the applications the server is published from have logons enabled

3. Check QFARM /load1. Values of 20,000 indicate a licensing error2. Values of 10,000 indicate a fully loaded server according to the applied load

balancer

Unable to Launch Applications

Citrix Licensing Errors

1. Verify that the license server exists and is properly configured on the XenApp farm

2. Verify that the correct version of the license server is used for that version of XenApp

3. Check the licensing level for the XenApp servers against the licenses on the License server (Platinum, Enterprise etc)

4. Check firewall rules between the XenApp farm and the license server

Unable to Launch Applications

Error: Terminal Services License Server could not be contacted.

1. Verify that the license server exists, is properly configured within the console and has licenses installed.

2. Verify that if using Windows 2008 R2, the license server is also Windows 2008 R2 and has RDS licenses installed instead of TS licenses.

Unable to Launch Applications

Error: User does not have the rights to log on remotely to this machine.

1. Verify that the user is both a member of Remote Desktop Users and that the user has the “Access this desktop remotely” rights assigned through GPOs

Unable to Launch Applicationss

Primarily App-V in the field, some Citrix App Streaming

• CTX113304 is your best friend with Citrix App Streaming

• Microsoft Technical Support is your best friend with App-V

• File Type Associations will not work by default with XA 6 and App-V

• Admin must manually add each FTA when creating the published app

Application Streaming

Citrix DSCheck

• Validate farm database integrity

• Fix any issues encountered

• CTX124406

Additional Tools

Citrix DSMaint

• Modify connection parameters for Data Store• Service account changes• Database migrations• Backup MS Access databases• Recover MS Access databases

• Validate/Repair Local Host Cache file

• Recreate App Streaming offline database

Additional Tools