Currently we do not provide MS-SQL support. Although our configuration allows for connecting to an external MS-SQL Server, it is recommended that your application be migrated to MySQL or Postgre SQL (postgres).
Many hosting providers have Postgre SQL and almost all use MySQL. These are also cross platform solutions that may be used in almost any environment. After migrating your MS-SQL application, You will not be limited to Windows based systems.
Below are some excellent guides on migration. Please review these thoroughly before making a decision.
- MySQL Migration
- Postgre SQL Migration