Difference between revisions of "Downgrading an Active Directory DC"

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In general, there are two ways to upgrade or downgrade Samba AD DC. The first way is to replace the packages or binaries 'in-place', which may require additional steps to operate correctly. The second way is to join (or re-join) a new domain controller and optionally demoting any unused controllers.
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The 'in-place' method is described on the [[Updating_Samba#The_Update_Process|Updating Samba]] page. While upgrades tend to have code within the Samba daemon to auto-upgrade underlying formats and discrepancies, or rely on the [[Updating_Samba#Samba_AD_DC_Database_Check|Samba AD DC database check]] tool, downgrades of certain versions may require additional tools to run.
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__TOC__
 
__TOC__
   
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= Downgrade compatibility (4.7 - 4.11) =
= Test =
 
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{| class="wikitable"
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!colspan="6"|Downgrade table
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|-
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|rowspan="2"|AA
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|BB
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|CC
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|DD
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|colspan="2"|CCC
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|-
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|SS
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|colspan="2"|III
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|BB
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|YY
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|}
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Revision as of 07:55, 3 July 2019

In general, there are two ways to upgrade or downgrade Samba AD DC. The first way is to replace the packages or binaries 'in-place', which may require additional steps to operate correctly. The second way is to join (or re-join) a new domain controller and optionally demoting any unused controllers.

The 'in-place' method is described on the Updating Samba page. While upgrades tend to have code within the Samba daemon to auto-upgrade underlying formats and discrepancies, or rely on the Samba AD DC database check tool, downgrades of certain versions may require additional tools to run.

Downgrade compatibility (4.7 - 4.11)

Downgrade table
AA BB CC DD CCC
SS III BB YY