Nuance DRS does not allow changes to be saved or new applications / devices to be added. DRS logs display the following error:
"Failed to update database "C:\PROGRAM FILES (X86)\NUANCE\DEVICE REGISTRATION SERVICE\SERVICE\DRS_LDB.MDF" because the database is read-only."
The permissions on the "C:\PROGRAM FILES (X86)\NUANCE\DEVICE REGISTRATION SERVICE" directory is insufficient, restricting access to the Service account.
Grant full read/write permissions to the DRS Service account for the DRS directory and the database files "DRS_LDB.MDF" and "DRS_LDB.LDF"