Portal not stopping and starting properly

I am a brand new Lawson user ( haven't even got  a class under my belt until next week )

I have been assigned to set up portal using a windows box connecting to HPUX/Unix Lawson servers.   I am getting Java errors and access denied errors writing to the IOS.log file when I try and stop or start RMI.

Starting IOS Remote ...
Unable to open writer to IOS.log.
java.io.FileNotFoundException: IOS.log (Permission denied (errno:13))
        at java.io.FileOutputStream.openAppend(Native Method)
        at java.io.FileOutputStream.(FileOutputStream.java:177)
        at java.io.FileOutputStream.(FileOutputStream.java:102)
        at java.io.FileWriter.(FileWriter.java:61)
        at com.lawson.lawrmiserver.LogWriter.logMessage(LogWriter.java:148)
        at com.lawson.lawrmiserver.LogWriter.log(LogWriter.java:132)
        at com.lawson.lawrmiserver.LogWriter.info(LogWriter.java:93)
        at com.lawson.lawrmiserver.PoolServer.main(PoolServer.java:111)
Exception in thread "main" java.lang.NullPointerException
        at com.lawson.lawrmiserver.LogWriter.logMessage(LogWriter.java:156)
        at com.lawson.lawrmiserver.LogWriter.log(LogWriter.java:132)
        at com.lawson.lawrmiserver.LogWriter.info(LogWriter.java:93)
        at com.lawson.lawrmiserver.PoolServer.main(PoolServer.java:111)

Portal screens still come up, but I get errors stating the RMI server started before the webserver or the User is missing an RD30 record when I try and log in.

Is there a guide to troubleshoot portal? 

Can anyone assist me here?  I am at  a loss

Thanks

Cdavis