adoacorectl.sh: exiting with status 206

While starting the EBS services through adstrtall.sh script in DMZ server, we have got the below error.

Log File:

ias-instance id=TEST_oracle.com
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
--------------------------------------------------------------------------------
ias-component/process-type/process-set:
    default_group/oacore/default_group/

Error
--> Process (index=1,uid=607085474,pid=0)
    no port available from the port range
    failed to start a managed process after the maximum retry limit
    no port available from the port range
    no port available from the port range
    Log:
    none

07/16/17-14:04:00 :: adoacorectl.sh: exiting with status 206

Solution:

Stopped the Discover services which is running in same server using ./opmnctl stopall

Started the EBS services using ./adstrtall.sh. now oacore service started without any issue.

Finally started the discover services.