In my Active Directory there is a Group "Gruppo Pippo", whit the attribute 'member'. 'member' contains many 'users':
CN=Alba Albi,OU=Developers,OU=Users,...
CN=Bianca Bianchi,OU=Partners,OU=Users,...
CN=Carlo Pony,OU=Developers,OU=Users,...
CN=Duilio Dorati,OU=Developers,OU=Users,...
I need a search that tell me if a user is contained in "gruppo Pippo".
I tried
(&(distinguishedName=CN=Gruppo Pippo,OU=DevOps,OU=Applications,OU=Groups,OU=Organization)(member=*Pony*))
but the operator 'contains': 'member contains Pony' doesn't run. (see image). Any suggestion? Thanks.