Using ARD 3.6.1 on iMacs in a lab Lion 3.7 OS all of a suden we can't share the admin screen goes black on the remote computer and says failed in ARD.
have you tried deleting one of the clients and then re-adding the client to the ARD computer? dose it make a difference?
On one of the effected clients, have you tried turning Remote Access off, and then back on? dose it make a difference?
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