Installation and Upgrade Guides › SiteMinder Upgrade Guide › Upgrade Procedures from 5.x › Step 1: Upgrade the 5.x Policy Server to 6.x › Upgrade a 5.x Policy Store › Upgrade a SQL Server Database Policy and Key Store
SiteMinder r6.0 SP6 does not support the versions of Microsoft SQL Server that SiteMinder 5.x supported. Migrate the policy store data to a supported policy store.
More information:
How to Migrate a 5.x Policy Store