Vertica 6.1SP3 (6.1.3) Virtual Machines : unable to open adminTools

I am trying to use the vertica in VM (vmware worksatation @ 9 Using the latest : Vertica 6.1SP3 (6.1.3) Virtual Machines. And encounter an error at the initial stage , Well before creating the database, in fact when trying to open the adminTools. When trying to open the opt/vertica/bin/adminTools Below error popped up as provided in log, Log for reference: [dbadmin@vertica ~]$ /opt/vertica/bin/adminTools Traceback (most recent call last): File "/opt/vertica/bin/adminTools", line 242, in cmdController = commandLineCtrl.commandLineCtrl(makeUniquePorts, showNodes) File "/opt/vertica/oss/python/lib/python2.7/site-packages/vertica/ui/commandLineCtrl.py", line 35, in __init__ self.__exec = adminExec.adminExec(makeUniquePorts, showNodes) File "/opt/vertica/oss/python/lib/python2.7/site-packages/vertica/engine/adminExec.py", line 138, in __init__ c = Configurator.Instance() File "/opt/vertica/oss/python/lib/python2.7/site-packages/vertica/config/Configurator.py", line 50, in Instance with FileLock( Configurator.CONFIG_FILE): File "/opt/vertica/oss/python/lib/python2.7/site-packages/vertica/config/FileLocker.py", line 67, in __enter__ self.acquire() File "/opt/vertica/oss/python/lib/python2.7/site-packages/vertica/config/FileLocker.py", line 40, in acquire self.fd = os.open(self.lockfile, os.O_CREAT|os.O_EXCL|os.O_RDWR) OSError: [Errno 13] Permission denied: '/opt/vertica/config/admintools.conf.lock' Note : I tried to change the permission using (chmod 777 admintools.conf ) as root user , but it’s not working.