After upgrade to ADManager Plus 6.0: Active-Sync no more possible to manage !

After upgrade to ADManager Plus 6.0: Active-Sync no more possible to manage !

after an upgrade from ADManagerPlus 5.2.0 (Build 5231) to 6.0 (Build 6000), it is no more possible to enable/disable Active-Sync Service per mailbox which was formerly possible using the AD Manager Plus Setting called "User Initiated Synchronization" in the Exchange section.
 
Beside of this, the setting "User Initiated Synchronization" shows status enabled for all mailboxes which do not have Active-Sync enabled on the backend.
 
Exchange Version used is Exchange 2007 SP3

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