The Forefront Identity Manager Service's SQL Server Database is in an invalid state and cannot be used. With an invalid state, ...

The Forefront Identity Manager Service's SQL Server Database is in an invalid state and cannot be used.  With an invalid state, the Forefront Identity Manager Service cannot continue to operate.

The most likely cause for this event is an external application directly changing the database either by updating rows or deleting entire tables.

The IT Pro cannot recover from this error beyond restoring a previous, valid version of the database.  If a backup is not present, the IT Pro should re-install the product.