Product not licensed
You are using the wrong license file.
There is an error in the contents of the license file.
Your licenses may not have started up properly.
You may not be using the correct license manager. Another software program may use the FLEXlm license manager and that license manager may not recognize the ArcGIS products and extensions.
Your environment variables may need to be changed.
You may have capital letters or blank spaces in the UNIX paths to /arcexeXX or /sdeexexx. Capital letters are not allowed.
Check that you are using the correct license manager and license file.
Check the path to the /arcexeXX or /sdeexeXX directories.