Configure Microsoft SQL Server Snapshot Isolation Levels Use the following instructions to enable snapshot isolation levels. Single-Tier (Lite) Drivers - Mac & Windows 1. Log in to the machine that hosts OpenLink's Single-Tier (Lite Drivers).2. Launch your ODBC or iODBC Data Sources Administrator.3. Locate your OpenLink DSN.4. Click the Configure button.5. Scroll through the configuration screens until you find the "Map Serializable to Snapshot isolation level" checkbox.6. Check the checkbox. Single-Tier (Lite) Drivers - Unix 1. Login to the machine that hosts OpenLink's Single-Tier client drivers.2. Use the Web-based iODBC Data Sources Administrator to access your DSN.3. Locate the Connection Options field of your DSN.4. Pass the following flag in the Connection Options field: -Z Multi-Tier Drivers 1. Login to the machine that hosts OpenLink's Multi-Tier client drivers.2. Use the relevant Data Sources Administrator or Web-Based Admin Assistant to access your DSN.3. Locate the Connection Options field of your DSN.4. Pass the following flag in the Connection Options field: -Z