Please upgrade your Azure AD Connect sync to a newer version by 29 February 2024
Published date: February 24, 2021
We are constantly making updates to Azure AD Connect sync to ensure optimal security and performance of your synchronization processes. Therefore, we retire older versions of Azure AD Connect on 29 February 2024. On that date versions published before 5 May 2018 (version 1.1.751.0 and older) will be retired.
To minimize service disruption, please upgrade to a newer version of Azure AD Connect sync. Review the options in the migration guide to perform the upgrade.