Product : Fusion Compute
Version : V100R005
Symptim: when customer tried to install VRM he faced this error : Failed to update the IP address
Alamr :

Handling process :
1- checking whether customer can ping IP adress of CNA or not ?
2- checking Java version
Root Cause :
customer has incompitable java version as The wizard supports only java JRE 1.7 or JDK 1.7
Solution :
problem solved after customer installed java JRE 1.7 or JDK 1.7
Sugeestion :
before doing any installtion ,customer or FSE should have alook at prerequisites befor installation in order to avoid any unexpected error.