Companycom is migrating from a p690 to a p5 595 utilizing APV Virtual IO features. They have created their profiles for their two Virtual IO Servers. The first Virtual IO Server is installed and running. When trying to DLPAR the DVD/ROM the task fails on the HMC. What is the probable cause?（）

• A、APV key is not registered
• B、Networking and DNS are not configured
• C、/etc/hosts table on HMC is not configured
• D、Virtual IO Server dose not support DLPAR