Upgrades & Pre-Existing Installations Performing Upgrades Express Edition Upgrades 1. Terminate active ODBC connections. 2. Back up your license file. 3. Make sure you have the appropriate version JDK/JRE installed. 4. Perform your upgrade. Single-Tier Upgrades1. Terminate active ODBC connections, which use OpenLink's drivers. 2. Back up license files. 3. Back-up existing odbc.ini and openlink.ini files. (Unix Only) 4. Terminate the License Manager service if you use OpenLink 6.0 or newer drivers. 5. Proceed with the upgrade. Multi-Tier Upgrades 1. Terminate active ODBC connections, which use OpenLink's drivers. 2. Stop your Request Broker and License Manager services. (License Managers are an OpenLink 6.0 and higher feature.) 3. Back-up your license and oplrqb.ini files. 4. Back-up odbc.ini files. (Unix Client Installs Only.) 5. Proceed with their upgrades.