Add a jvmopt command to the scc.properties file to change a memory option (-Xmx or -XX:MaxPermSize) for a Sybase Control Center Windows service.
When you use this method to set memory options, your changes are permanent—Sybase Control Center uses them every time it starts as a service. 
- If  Sybase Control Center is running, shut it down.
- Open the SCC properties file: <SCC-install-directory>\SCC-3_2\bin\scc.properties 
- Add (or modify, if it already exists) a jvmopt line specifying the memory size in Java format. Use m for megabytes or g for gigabytes. For example: jvmopt=-Xmx512m 
- Save the file and start the Sybase Control Center Windows service.