The msDS-LocalEffectiveRecycleTime attribute exists on AD DS and AD LDS, beginning with Windows Server 2008 R2 operating system.

This attribute contains the value that a replica maintains as the time when the object was transformed into a tombstone or recycled-object.

Each DC is permitted to modify this value locally for implementation-specific reasons outside the state model. Therefore, this value does not necessarily accurately reflect when the object was actually transformed. However, no replica is permitted to modify this value to be earlier than the actual time that the object was transformed. This value is not replicated. Therefore, for a specific object, each replica can have a different value for this attribute.

Each replica will remove the tombstone or recycled-object some time after the difference that exists between the current time and the value of msDS-LocalEffectiveRecycleTime is greater than the value of the tombstone lifetime.