Integration with Other Applications > Windchill Workgroup Manager Documentation > Creo Illustrate > Working with PDM Actions > PDM Actions in Creo Illustrate > If the Windchill Tab is Missing
  
If the Windchill Tab is Missing
When connected to Windchill, the Windchill ribbon in Creo Illustrate shows the available PDM actions that you can perform.
If the Windchill ribbon is missing in Creo Illustrate, it may be due to the following reasons:
Windchill Workgroup Manager client is not installed on the client machine.
If you were upgrading from a previous version of the Windchill Workgroup Manager client, and did not follow the instructions in the “Installation and Configuration” section of the guide to:
1. Uninstall Windchill Workgroup Manager client.
2. Delete Windchill Workgroup Manager files and folders.
3. Install the new version of Windchill Workgroup Manager client.
Creo Illustrate is not registered with Windchill.