Add JRE to the JAVA_HOME environment variable

Set the JAVA_HOME environment variable to the path for the Java Runtime Environment 1.7 (for example, C:\Program Files\Java\jre7) on the following reporting servers:

Cognos Content Manager Server
For more information, see Step 3: Set up JRE on the Cognos Content Manager Server.
Cognos Report Server
For more information, see Step 3: Set up JRE on the Cognos Report Server.
Cognos Gateway Server
For more information, see Step 2: Set up JRE on the Cognos Gateway Server.