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Need clarification on tombstone period

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  • Need clarification on tombstone period

    I know what is meant by tombstone period in active directory, but still I have few below questions in my mind about it.

    TSL(tombstonelifetime)

    Q1: M$ has increased TSL to 180 days in SP1. Does this mean that, domain controller installation on Windows 2003 SP1 server will make TSL to 180 or SP1 installation on domain controller will make TSL as 180? or both ?

    Q2: I deleted a object yesterday while my domain controller is running on Windows 2003(no SP). Today, I installed SP1 on my domain controller and will it change the TSL of object deleted before?

    Q3: Is there any limit for TSL value?

    Q4: What is the TSL value for active directory 2008

    Q5: Is there a LDAP call or a way to findout the TSL of a deleted object?


    Thanks in advance,
    Sitaram

  • #2
    Re: Need clarification on tombstone period

    Q1: M$ has increased TSL to 180 days in SP1. Does this mean that, domain controller installation on Windows 2003 SP1 server will make TSL to 180 or SP1 installation on domain controller will make TSL as 180? or both ?
    If you DCPROMO a SP1 box you'll have 180 days. If you install SP1 on a current DC you're still at 60.

    Q2: I deleted a object yesterday while my domain controller is running on Windows 2003(no SP). Today, I installed SP1 on my domain controller and will it change the TSL of object deleted before?
    Objects don't store a TSL. Every 12 hours garbage collection runs on a DC and deletes any tombstoned objects that are older then the TSL.

    Q3: Is there any limit for TSL value?
    I have no idea.

    Q4: What is the TSL value for active directory 2008
    Nothing has changed with 2008. If it was upgraded it may be 60, if its a new forest 180.

    Q5: Is there a LDAP call or a way to findout the TSL of a deleted object?
    the whenChanged attribute will say when an object was deleted.

    Comment


    • #3
      Re: Need clarification on tombstone period

      Just out of interest Garen, doesn't it have to be the first DC in the forest as well?

      You can change the lifetime
      http://www.petri.com/changing_the_to...windows_ad.htm

      This is worth a look as well
      http://technet.microsoft.com/en-us/s.../bb963906.aspx
      cheers
      Andy

      Please read this before you post:


      Quis custodiet ipsos custodes?

      Comment


      • #4
        Re: Need clarification on tombstone period

        Originally posted by AndyJG247 View Post
        Just out of interest Garen, doesn't it have to be the first DC in the forest as well?

        You can change the lifetime
        http://www.petri.com/changing_the_to...windows_ad.htm

        This is worth a look as well
        http://technet.microsoft.com/en-us/s.../bb963906.aspx
        Yes, good point. If you DCPROMO into a new forest then you get the updated TSL of 180. If you DCPROMO into an existing upgraded forest you're still at 60.

        Comment


        • #5
          Re: Need clarification on tombstone period

          Thanks for your explanation, Garen.

          The below two articles are supporting your answers.

          http://support.microsoft.com/kb/216993
          http://support.microsoft.com/kb/198793/

          Thanks,
          Sitaram

          Comment


          • #6
            Re: Need clarification on tombstone period

            Another question on same topic.

            Why a backup which is older than tombstone period is invalid for restorations?

            Comment

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