I am not good in window clustering; I want to ask what are most issue in it and troubleshooting like \force --- something in cluster switch is. I am also not good in window server 2008 OS. Please tell any thing that can help me. Atleast clustering any free question answer set free or article that can make me master. I have knowledge in exchange clustering since in that platform however now going in wintel platform. I have to appear final technical round in IBM. I have book of mastering 2008 active directory however it does not contain details in clustering.