Then DirSync or Azure AD Sync would need to be configured with Password sync to begin syncing passwords from your local AD. You would have to convert each domain in use with ADFS from “federated” to “standard,” and temporarily set a password for each user. The old way to cutover was using PowerShell and DirSync (or Azure AD Sync). Given these issues, be sure to communicate with your end users and plan to do this during an acceptable change window. After the domain is converted from Federated, a password sync will need to run which also takes significant time depending on your user count.In my experience it takes roughly 30 minutes, but plan for the full 2 hours to be safe. Microsoft states that it can take up to 2 hours for your domain to be fully converted from Federated (ADFS) to Standard (Password Sync).During the cutover, users may be unable to login until passwords synchronize.Troubleshooting steps should include rebooting and clearing the MicrosoftOffice entries from the Windows Credential Manager.Skype may be unable to sign in after the change. Skype is notorious for poorly handling this change.Any client (Office, Outlook, OneDrive, Skype for Business, Mobile Devices, etc…) configured may prompt users for a password the first time after the change.Switching from ADFS to password synchronization (or Pass-through Authentication) requires planning and communication. Active Directory Federation Services (ADFS) had (and still has) its place within Office 365 environments, but it is not nearly as attractive and easy to use as the new methods. Recently, two new methods for Office 365 SSO have become available: Azure AD Seamless SSO, and Azure AD Domain Join.

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