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How long do machines stay in AD?

Posted on 2016-09-30
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Last Modified: 2016-11-09
If machines have been removed off the network, is there a setting to remove the machines from AD automatically? Or do we have to do it manually?

If there is a setting, where is it?
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Question by:Thomas N
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6 Comments
 
LVL 17

Expert Comment

by:pjam
ID: 41823549
Interesting question.  I have always deleted them as they stay there until I do.
If there is a setting I would like to know too
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LVL 17

Expert Comment

by:Ivan
ID: 41823551
Hi,

I don't think there is a setting for that. Machines not connected in 90 days loose connectivity and have to be rejoined. As far as I know, you would have to do it manually.

I guess that it could be done via some script, that would check when did machine last time connected to domain, and if it did not in past XX days, it would delete computer account.. but I would not do it.

Maybe some1 else has some idea :)

Regards,
Ivan.
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LVL 22

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by:
Joseph Moody earned 1336 total points
ID: 41823553
There is not a built in stale object removal feature in AD. There are many free scripts and tools though. My favorite is oldcmp. http://www.joeware.net/freetools/tools/oldcmp/index.htm

But you can also use powershell (here is an example: https://deployhappiness.com/managing-inactive-computers-and-users-in-active-directory/)
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by:Joseph Moody
Joseph Moody earned 1336 total points
ID: 41823557
Before deleting computers, you will want to enable the AD recycle bin as a safety switch. Some people also disable the objects and move them to a special OU for X amount of time before deleting them.
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LVL 56

Assisted Solution

by:McKnife
McKnife earned 664 total points
ID: 41824686
@Ivan's "Machines not connected in 90 days loose connectivity and have to be rejoined." - what are you talking about? There is no such mechanism, you can stay offline like forever an you are still able to connect, no unjoining takes place.
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