Are you able to login to the Tableau customer portal, and compare the license keys that are assigned to your Tableau Server with what is allocated via the customer portal? It sounds like there may be a mismatch going on somewhere and it's worth a double check. If not, open a case with Tableau support and pick a category of licensing. They're usually really fast at responding about these types of issues. Customer portal: https://customer.tableausoftware.com/
When attempting to add a new user or assign a site role to a user on Tableau Server, one of the following error messages might occur:
Setting site role for user <username> to '<siterole>' failed
Insufficient licenses. Setting user roles to '<siterole>' failed.
- Verify that all interactor keys are activated within Manage Product Keys. For more information, see Add Capacity to Tableau Server.(Tableau Software will provide you with a new product key that adds capacity to your existing Tableau Server installation. You need to activate this key and use it together with your existing product key(s) to get the combined capacity you are licensed for.)
- Ensure that all interactor keys are refreshed with an active maintenance date. For more information, see Refresh Maintenance Date for the Product Key.
- Restart Tableau Server using the following commands to synchronize Tableau Server with the Trusted Storage.
When attempting to add a new user or assign a site role to a user on Tableau Server, the Tableau Server environment has reached or exceeded the total number of available interactor seats.