Error when updating 'cdm' configuration via Admin Console

Document ID : KB000103504
Last Modified Date : 27/06/2018
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Issue:
After changing the IP address of all hubs in the environment, when I attempt to update the cdm probe configuration via Admin Console it fails. The following error is logged in ppm.log:

[attach_socket, ppm] (6) permission denied, Received status (6) on response (for sendRcv) for cmd = 'probe_config_set' at com.nimsoft.nimbus.NimSessionBase.sendRcv(NimSessionBase.java:615) at com.nimsoft.nimbus.NimSessionBase.sendRcv(NimSessionBase.java:561) at com.nimsoft.nimbus.NimClientSession.send(NimClientSession.java:170) at com.nimsoft.nimbus.NimRequest.sendImpersonate(NimRequest.java:263) at com.nimsoft.pf.common.PfNimRequest.sendImpersonate(PfNimRequest.java:29) at com.nimsoft.nimbus.NimRequest.send(NimRequest.java:218) at com.nimsoft.ppm.ConfigSetProxy.write(ConfigSetProxy.java:99) at com.nimsoft.ppm.BaseProbeAdapter.writeConfigSetProxy(BaseProbeAdapter.java:858) at com.nimsoft.ppm.operation.PfLocalOperation.execute(PfLocalOperation.java:118) at com.nimsoft.ppm.PPM.callAdapterSetCtdConfiguration(PPM.java:687) at com.nimsoft.ppm.PPM.cbSetCtdConfiguration(PPM.java:646) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.nimsoft.nimbus.NimServerSession$NimServerSessionThread.performCallback(NimServerSession.java:213) at com.nimsoft.nimbus.NimServerSession$NimServerSessionThread.handleMessage(NimServerSession.java:166) at com.nimsoft.nimbus.NimServerSession$NimServerSessionThread.run(NimServerSession.java:120)

If I try and update the probe configuration via Infrastructure Manager it works fine.
Resolution:
Redeploy the ppm probe to all the hubs that had their IP address changed.