Error when executing authconfig commands "SSSDConfig.ProviderSubtypeInUse: ad"

Issue

• authconfig command failing with below error,

# authconfig --test
Traceback (most recent call last):
  File "/sbin/authconfig", line 1081, in <module>
    sys.exit(module.run())
  File "/sbin/authconfig", line 657, in run
    self.readAuthInfo()
  File "/sbin/authconfig", line 423, in readAuthInfo
    self.info = authinfo.read(self.printError)
  File "/usr/share/authconfig/authinfo.py", line 1061, in read
    info.read()
  File "/usr/share/authconfig/authinfo.py", line 2587, in read
    self.readSSSD(ref)
  File "/usr/share/authconfig/authinfo.py", line 1953, in readSSSD
    domain = self.sssdConfig.get_domain(domname)
  File "/usr/lib/python2.7/site-packages/SSSDConfig/__init__.py", line 1927, in get_domain
    domain.set_option(option, value)
  File "/usr/lib/python2.7/site-packages/SSSDConfig/__init__.py", line 1267, in set_option
    self.add_provider(value, provider)
  File "/usr/lib/python2.7/site-packages/SSSDConfig/__init__.py", line 1331, in add_provider
    raise ProviderSubtypeInUse(with_this_type[0][0])
SSSDConfig.ProviderSubtypeInUse: ad