Hello Friends I Install windows vista beta 2 and all work (I join in a domain perfectly) when I download a new vista, next day a record a new dvd with vista rc1, format my old vista to make a clean install when install finish i try to put in a domain but appear a error message to me : ---------------------------Computer Name/Domain Changes---------------------------The following error occurred attempting to join the domain "RMS": An attempt to resolve the DNS name of a DC in the domain being joined has failed. Please verify this client is configured to reach a DNS server that can resolve DNS names in the target domain. Who now what i can do to join a domain ? tks,