Windows Server 2012 R2 (ADFS 3.0): Migrating ADFS Configuration Database from WID to SQL
You already have a working ADFS setup which has been configured to use the Windows Internal Database (WID) to store its configuration database. However, things may have changed since you implemented it and you may now have one (or more) of the below requirements which will need an upgrade to SQL server.
- Need more than five federation servers in the ADFS Farm (supporting more than 10 relying parties)
- Leverage high availability features of SQL or
- Enable support for SAML artefact resolution or WS Federation token replay detection.