The central proxy virtual proxy cannot be deleted and virtual proxy prefix are unique per proxy.
Environments:
Resolution:
In order to change to remove the prefix for a different virtual proxy to use another authentication method by default:
- in the QMC, go to "Virtual proxies" > "Central proxy (default)"
- Modify the virtual proxy prefix to the desired string
- Click "Apply" in order to save
- Go back to "Virtual proxies", double-click on the virtual proxy that you want to make default in order to edit it.
- Remove the virtual proxy prefix
- Click "Apply" in order to save
Note: If the virtual proxy made default is using SAML authentication, the SAML Assertion Consumer Service URL will also need to be updated in the Identity Provider configuration.