When i start my jboss at that time, i get this type of Warning message , i wanna know that how i change this maximum heap size 63.313MB. 14:55:39,038 INFO [DescriptorService] Alfresco JVM - v1.6.0-b105; maximum heap size 63.313MB 14:55:39,038 WARN [DescriptorService] Alfresco JVM - WARNING - maximum heap size 63.313MB is less than recommended 512MB