Hi, @schrippe can you please run the ldapsearch command on this particular OU "OU=Zentral,OU=Gruppen,DC=bk,DC=datev,DC=de" and check if you are getting your missing group here or not, it could be the group is present on different OU level. This is your Group search base config "OU=Zentral,OU=Gruppen,DC=bk,DC=datev,DC=de" so run the ldapsearch and verify the o/p. ... View more