I see lots of questions about running Central Administration on 2 web front ends (wfe)s. This is certainly a good idea to ensure availability by avoiding a single point of failure. Here are a couple of good resources on the topic. http://forums.microsoft.com/Forums/ShowPost.aspx?PostID=2022953&SiteID=1 http://blogs.technet.com/wbaer/archive/2007/08/30/ sharepoint-3-0-central-administration-url-on-multiple-web-front-end-servers.aspx https://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=2757484&SiteID=17