SCCM - Machines not discovered which are loggedin below last 90 days.

SripathiR 1 Reputation point

SCCM - Machines not discovered which are logged in below last 90 days(from AD report).

Microsoft Configuration Manager
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  1. AllenLiu-MSFT 41,691 Reputation points Microsoft Vendor

    Hi, @SripathiR
    Thank you for posting in Microsoft Q&A forum.

    That is because the site maintenance task: Delete Aged Discovery Data.
    It is enabled and set as 90 days by default.

    For for detailed information:

    If the response is helpful, please click "Accept Answer" and upvote it.
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    1 person found this answer helpful.

  2. Jason Sandys 31,181 Reputation points Microsoft Employee

    Do you have AD System Discovery enabled?

    Do the systems exist in an OU that AD System Discovery is configured to discover systems from?

    Do the systems properly resolve via DNS from the primary site server?

    Have you reviewed adsysdis.log?

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