How to fix Entra Connect Sync

Question

Prageeth@ 20

Hi all,

I am trying to upgrade previously working Azure AD Connect to Entra Connect so sync will on-prem server DC and M365 will begin again.

Any help will be greatly appreciated. Thank you.

Answer accepted by question author

2 additional answers

Answer 1

Abiola Akinbade 30,365 Volunteer Moderator

Hello Marius,

Thanks for your question.

Please can you go to Azure and search for your directory sync account as MFA may have been enabled on it. The account should be this format.

User's image

Exclude account from all CA policies.

Please let me know if you have further questions.

If the above information was useful, please remember to 'Accept Answer'

Answer 2

Andy David - MVP 159.7K MVP Volunteer Moderator

You have to ensure the sync accounts are excluded from MFA:

Answer 3

Prageeth@ 20

Thank you for both of your answers. It really helped me to troubleshoot in the right direction.

Eventually, noticed MFA was forced on the DC sync account on M365 end. I removed enforcement and sync is working fine now.