Error while starting the server

When i am trying to start the server............i am getting the following error

please tell what is the issue

Could not start the instance: domain1:admin-server

server failed to start: abnormal subprocess termination

Could not start the instance: domain1:SD

You dont have permission to access C:\Sun\AppServer7\domains\doma

Could not start the instance: domain1:server1

server failed to start: abnormal subprocess termination

Could not start one or more instances in the domain : domain1

Could not start one or more domains

Press any key to continue . . .

[623 byte] By [java_jamboree] at [2007-11-26 8:37:30]