Confirmed – once directory synchronization is disabled, synced security groups will no longer be managed by the on-premises Active Directory. These groups will remain in Azure Active Directory (Azure AD) but become cloud-only groups. You will be able to manage these groups solely within Azure AD from this point forward.

If the above response helps answer your question, remember to “Accept Answer” so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.

hth

Marcin

Confirmed – once directory synchronization is disabled, synced security groups will no longer be managed by the on-premises Active Directory. These groups will remain in Azure Active Directory (Azure AD) but become cloud-only groups. You will be able to manage these groups solely within Azure AD from this point forward.

If the above response helps answer your question, remember to “Accept Answer” so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.

hth

Marcin