Open the overview for an ADSAccount, in the box "Active Directory groups" select and open an assigned group, then from the "Tasks" pane select "Assign user accounts" for the group. On this form changes will be made and saved (e.g. addition or removal of an Active Directory user account).
On saving the following Error message appears:
" Object (Group-01) could not be saved!
Specified method is not supported."
This is a product defect (32417).
This will be fixed in a future release of the product. If you require this immediately corrected, please contact Support for a hotfix referencing the defect ID 32417.