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raising_functional_levels

Raising the functional levels

Impact of upgrading the functional levels

Warning: Before you raise the functional levels in your AD, you should make sure, that you understand what functional levels are and what consequences it will have for your domain and forest, if you upgrade them!

Some usefull links to documentation about AD functional levels:

Raising the forest functional level


Note: The forest functional level can't be higher than the domain functional level!

Through Windows Administration Tools


Hint: This way does not work at the moment! See Bug #10360

The following steps can be executed on any Windows machine (including workstations), on which the RSAT (Remote Server Administration Tools) are installed.

  • Open “Active Directory Domains and Trusts”.
  • Right-click to “Active Directory Domains and Trusts” in the left pane and choose “Raise Forest Functional Level…”.

  • In the upcomming Window, choose the functional level, you want to upgrade to.

Through samba-tool


You can raise the forest functional level on any of your Samba AD Domain Controllers by using the following command:

 # samba-tool domain level --forest-level=...

Raising the domain functional level


Through Windows Administration Tools


Hint: This way does not work at the moment! See Bug #10360

The following steps can be executed on any Windows machine (including workstations), on which the RSAT (Remote Server Administration Tools) are installed.

  • Open “Active Directory Domains and Trusts”.
  • Right-click your Domain in the left pane and choose “Raise Domain Functional Level…”.

  • In the upcomming Window, choose the functional level, you want to upgrade to.

Through samba-tool


You can raise the domain functional level on any of your Samba AD Domain Controllers by using the following command:

 # samba-tool domain level --domain-level=...
raising_functional_levels.txt · Last modified: 2015/06/29 12:10 (external edit)