Symptoms:

   Need to change the "NETBIOS hostname" / IP of the ZVM in the ZCM without unpairing    

Cause:

   Customer was using IP's during the pairing for the ZVM's and wanted to change it to “NETBIOS hostname" in the ZCM without unpairing.
     

Solution:

1. Downloaded CompactView DB viewer
2. Edited the ZCM DB table CloudSiteStorageObject with the following SQL command for the ZVM host entire
UPDATE CloudSiteStorageObject
SET SiteName = '<The_new_host_entry>'
where Port = 9669

Restart ZCM service,
Expected that the GUI will present the change a "NETBIOS hostname" as updated in the ZCM DB instead of the old IP entry