Error while starting SOA Domain

Question

Am getting the below error while starting the SOA domain admin server.Please help.
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.

Answer 1

AM using the Sun JDK...and I am manipulating around the below settings in the setDomainEnv file
set XMS_SUN_64BIT=256
set XMS_SUN_32BIT=256
set XMX_SUN_64BIT=512
set XMX_SUN_32BIT=512
set XMS_JROCKIT_64BIT=256
set XMS_JROCKIT_32BIT=256
set XMX_JROCKIT_64BIT=512
set XMX_JROCKIT_32BIT=512
if "%JAVA_VENDOR%"=="Sun" (
     set WLS_MEM_ARGS_64BIT=-Xms256m -Xmx512m
     set WLS_MEM_ARGS_32BIT=-Xms256m -Xmx512m
) else (
     set WLS_MEM_ARGS_64BIT=-Xms512m -Xmx512m
     set WLS_MEM_ARGS_32BIT=-Xms512m -Xmx512m
)