ance-ports"></a><a id="GHCLU00051" name="GHCLU00051"></a></p>

<h4><a id="sthref95" name="sthref95"></a><a id="sthref96" name="sthref96"></a><a id="sthref97" name="sthref97"></a>To Modify the Port Numbers of a Clustered GlassFish Server Instance</h4>
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<p>The port numbers of a clustered GlassFish Server instance are initially set in the configuration that the instance inherits from its parent cluster. You must modify these port numbers if, for example, two clustered instances r