Azure AD Connect: What to know about In-place Upgrade from version 1.0 to 2.0 ?

Hi everyone, hope you guys are having a blast weekend. Today I would like to bring to you Azure AD Connect.

In the past, the 1.0 in-place upgrade, I would have to kept a record of the “before” changes of settings, such as the organization units, and etc. This would likely need me to schedule a day to capture the settings.

Anyway, not all of the 1.0 version can support the in-place upgrade to 2.0 version, if you have an older Azure AD Connect, that do not support in-place upgrade you would need to plan a migration or transition, to the 2.0 version. It may sounds simple, but there are few things you would need to take note of, that is avoiding duplicated records sync to Office 365, and duplicated service accounts, else you will likely get more stuff to clean up in the end. Is good to plan your transition and your clean-up first.

*Note: 31st August 2022, 1.0 version will be end of life

For those who are on the supported version of 1.0, that can perform in-place upgrade to 2.0 version, here are some tips or hint you can take note of before performing the upgrade,

  1. Full backup on the server
  2. Make sure you know what are the impacts
  3. Make sure the existing service account has the required permissions based on the 2.0 prerequisites
  4. During the upgrade, the wizard will request you to re-enter the global administrator account from Office 365
  5. You do not need to keep a record of the existing organizational unit because it will automatically bring forward the settings to your 2.0, same goes with your SSO, password hash settings, or device join settings
  6. Yes, version 2.0 does support single-label domain

If you would like to know more about the prerequisites of version 2.0, feel free to refer the references below,

References:

  1. https://docs.microsoft.com/en-us/azure/active-directory/hybrid/how-to-upgrade-previous-version
  2. https://docs.microsoft.com/en-us/azure/active-directory/hybrid/reference-connect-version-history

Author: sabrinaksy

Just an ordinary lady who love what she does best.

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