DCPROMO RPC unavailable

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i'm sure there solution somewhere on great wide internet @ point alludes me. i'm student learning server , i'm having serious issues. setup complete forest following along  globomantics training videos when on same network. @ point have purchased own domain name in hopes of setting little corner of web. have setup house multiple routers simulate remote locations having main dc1 setup on 1 router , have computer setup a member server(which a mission in own right) ive been trying promote second pc domain controller few days no luck. first couldnt dns acknowledge there. after adding domain controller local hosts file can move along further in dc promo setup wizard. installation of dns , global catalog section , comes saying rpc unavailable. ive google , google , google , i'm ready throw keyboard through wall. both os' 2008 r2. 

my router set follows. have main line coming in modem first linksys routera. there  i have linksys routerb hosting main network. second pc id add on main routera modem. ive placed domain controller in dmz zone on inner routerb in order computer communicate dc1. 

any hhelp @ point appreciated i'm out of ideas , frustrated. can ping both servers through nslookup , ip , fqdn. i've turned off firewalls on levels. i've installed rpc on http no luck. ive added secondary zone on member server see if help. ive tried delegate fromt dc1 meber server. ive added member server domain controller in actove directory manually. plus entered host records in both msdc , main zone. im lost , fed :s

note on rpc unavailable - can either dns misconfig and/or necessary ports not opened between locations. can caused antivirus software many of them sporting new feature called "network traffic protection," can efffectively block necessary ad traffic. microsoft's portqry tests specific ad ports , ephemeral ports, , required responses services on required ad ports scans for.  here's more info on ports ad requires communicate:

active directory firewall ports - let's try make simple
http://msmvps.com/blogs/acefekay/archive/2011/11/01/active-directory-firewall-ports-let-s-try-to-make-this-simple.aspx

best regards,

sandesh dubey.

mcse|mcsa:messaging|mcts|mcitp:enterprise adminitrator | blog

disclaimer: posting provided "as is" no warranties or guarantees , , confers no rights.



Windows Server  >  Directory Services



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