Root Cause:
Local Authentication need to be the first option during domain dropdown disabled case.
Fix:
When accessing the login page the Local Authentication is made as a default option followed by AD or LDAP during domain dropdown disabled case.
Check the "Jar Compatibility" section to download the appropriate fix jar file (.fjar file). Check this link on how to apply the fjar file. 
Jar Compatibility
Build No | File Name |
14720 | 14720_9904339.fjar |