On Scalability Server when cserver plugin starts its registration process, it sends a message to cmobjectmanager on ITCM Domain asking to do a IP address to name resolution.
cmobjectmanager does the IPAddress to Name resolution and sends the result to cserver plugin.
In TRC_CM_OBJECT_MANAGER*.log following lines appear :
cmObjectMa|cfOSServices |cfOSServices |000000|INFO | CCFOSGeneral::GetNameFromAddress: pszAddress: "192.168.188.128"
cmObjectMa|cfOSServices |cfOSServices |000000|INFO | CCFOSGeneral::GetNameFromAddress: trying GetNameInfoW
cmObjectMa|cfOSServices |cfOSServices |000000|INFO | CCFOSGeneral::GetNameFromAddress: 192.168.188.128 resolved to: 192.168.188.128
Windows function GetNameInfoW is executed on ITCM Domain machine. But if IPAddress to Name resolution is not possible, it sends the IPAddress as result to cerver plugin on Scalability Server.
In TRC_CSERVER_*.log we could see the answer received in these lines :
cserver |cmRegister |ccoRegister.cpp |000270|NOTIFY | Registration FQName : '192.168.188.128'
cserver |cmRegister |ccoRegister.cpp |000271|NOTIFY | Registration IPAddress : '192.168.188.128'
cserver |cmRegister |ccoRegister.cpp |000272|NOTIFY | Registration MACAddress: ''
cserver |cmRegister |ccoRegister.cpp |000273|NOTIFY | Registration Subnetmask: ''
Registration FQName is the IP Address instead the name.
DOMAIN could not do the ipaddress to name resolution;
On DOMAIN ITCM "nslookup ipaddress" command does not work.
But "nslookup name" is working
DNS Server could find the IP address name from the name. But the reverse resolution is not working