The Hawk cluster value is written to the domain data when the domain is created. Afterwards, there is no tool to change the value. The user can try the following:
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1). If the domain data is saved in file, go to
<admin_home>/domain/<domain>/data, make a backup of SYS_<domain>.dat
Change the following section in SYS_<domain>.dat file:
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<dir name="com.tibco.pof.admindomain.Machine"
lastModified="1174684532970" id="-23">
<dir name="ef1df6_11180a77ecd_-7ff90a69649e"
lastModified="1174684532970" id="-24">
<object name="__Reserved" lastModified="1174685149188"
id="73">
<string name="__H"
value="com.tibco.pof.admindomain.Machine"/>
<string name="__C"
value="com.tibco.pof.admindomain.impl.MachineImpl"/>
<string name="mIsInMaintenance" value="false"/>
<string name="mID"
value="ef1df6_11180a77ecd_-7ff90a69649e"/>
<string name="mClusterName" value="10.105.100.0"/>
<string name="mLastModified" value="1174685148437"/>
<string name="mTSMVersionNumber"
value="1407387768586240"/>
<string name="mName" value="szou-lt"/>
<string name="mNetwork" value="10.105.100.0"/>
<string name="mTRAHome" value="C:/tibco/tra/5.3"/>
<string name="mGateway" value=""/>
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Try change name="mClusterName" and name="mNetwork" to current IP address. Restart Administrator. The network and cluster value should be updated on the Admin GUI.
2). If the domain data is saved in database, update the values stored in "mClusterName" and "mNetwork" column in "AdMachine" table. Backup the table before making the change. Also you probably want to update -cluster in hawkagent.cfg under <TRA_HOME>/domain/<Domain_Name> as well.
Disclaimer
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Tibco Support recommends Option 1 whereas Option 2 above is not certified by QA. We do not support manually changing domain data . Make sure you make backup of the Domain Folders (under ADMIN_HOME and TRA_HOME) and if using DB then make a backup of DB. The customer can make the changes at their own risk. If the Domain gets corrupted you will have to recreate the Domain. If the customer has any further questions about the above workarounds, they should contact Tibco Support for further assistance.