You have to conigure a different HTTP port for each additional DB Control running on the same server. See section 22.214.171.124 ("Specifying the Ports Used By the Database Control") at the following link: http://download-west.oracle.com/docs/cd/B19306_01/em.102/b40002/structur e.htm#CACJFIDD Regards, Brandon ________________________________ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Anurag Verma Does this mean that ONLY ONE Database control can run on the same machine at the same time??? Privileged/Confidential Information may be contained in this message or attachments hereto. Please advise immediately if you or your employer do not consent to Internet email for messages of this kind. Opinions, conclusions and other information in this message that do not relate to the official business of this company shall be understood as neither given nor endorsed by it.