If EGDB already has the domain, script fails

[tpcolson]

If the enterprise GDB already has the coded value domain (e.g from previous interation of using script with similar feature service), the script fails with:

FAIL: Making Tables
exception:
ERROR 000464: Cannot get exclusive schema lock. Either being edited or in use by another application.
Failed to execute (TableToDomain).

['ERROR 000464: Cannot get exclusive schema lock. Either being edited or in use by another application.\nFailed to execute (TableToDomain).\n']
<class 'arcgisscripting.ExecuteError'>
562

arcpy messages:

ERROR 000464: Cannot get exclusive schema lock. Either being edited or in use by another application.
Failed to execute (TableToDomain).