What version of grid control are u on grid control prior to 10.2.0.5 required broker in 10.2.0.5 there is high availabilty tab on the primary which gives a lot of info of standby with better metrics no license is required to activate this Fuad On Oct 19, 2009, at 6:49 PM, Kar <kp0773@xxxxxxxxx> wrote: All, how do we monitor the gap detection using grid control . does it require a separate license? it says that it can only be set . If a Data Guard environment is registered with the Data Guard Manager extension of Oracle Grid Control, then set the events shown inTable 3-5. https://students.kiv.zcu.cz/doc/oracle/server.102/b25159/monitor.htm#CFACFCDE appreciate any idea. thanks Kar