Error 1722 Rpc Server Unavailable Domain Controller
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Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: https://technet.microsoft.com/en-us/library/replication-error-1722-the-rpc-server-is-unavailable(v=ws.10).aspx Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top “The RPC Server is unavailable” when replicating domain controllers up vote 1 down vote favorite I have two domain controllers: DC1: Win2k3 R2 EGDC1: Win2k8 R2 When I try to replicate these two http://serverfault.com/questions/207000/the-rpc-server-is-unavailable-when-replicating-domain-controllers (via Manage Sites and Services and under NTDS Settings) by selecting Replicate Now, I get the error message The RPC Server is unavailable. It doesn't matter if I try this while remoted into DC1 or DC2. According to this technet article, this is a problem with a machine being down. However, I can additionally have both domain controllers ping one another just fine so there is no DNS issue nor any connectivity issue. Both are on the same LAN and even on the same subnet, so no VPN/wifi/firewall/quirky issues like that should be a problem. Additionally, I verified that the RPC service is running on both boxes. What could the problem be and how would I fix it? dcdiag results: Directory Server Diagnosis Performing initial setup: Trying to find home server... Home Server = EGDC1 * Identified AD Forest. Ldap search capabality attribute search failed on server DC1, return value = 81 Got error while checking if the DC is using FRS or DFSR. Error: Win32 Error 81The VerifyReferences, FrsEvent and DfsrEve
bad! 7 August 2012 by Adam Rush Scenario It's a pleasant day and all is well with the world. Colleagues are skipping around the office with smiles on faces…until…duh duh daaa! One by one, services start failing: Printers go http://www.virtuallyimpossible.co.uk/when-good-domain-controllers-go-bad/ offline: First, for Win7 users Then for all clients Can still print from server though File shares go offline Active Directory replication fails DNS console will not open Basically, your main Domain Controller (DC) has https://blog.augustoalvarez.com.ar/2008/12/12/troubleshooting-dcdiag-error-rpc-server-is-unavailable/ just taken a dump…and so have you! These are the steps I took to troubleshoot the issues and get everything back online. Solution Gather Information Run the following commands to gather useful information: ipconfig error 1722 /all > c:\ipconfig.txt (from each DC/DNS Server) dcdiag /v /c /d /e /s: > c:\dcdiag.txt dcdiag /test:dns /s: /DnsBasic > c:\dcdiag-dnsbasic.txt repadmin /showrepl dc* /verbose /all /intersite > c:\showrepl.txt (dc* is a placeholder for the starting name of the DCs if they all begin the same - if more then one DC exists) repadmin /replsum > c:\replsum.txt Pour through the txt files and note down the errors. Some of mine included: error 1722 the repadmin /showrepl Last error: 1256 (0x4e8): The remote system is not available. Last error: 5 (0x5): Access is denied. WARNING: KCC could not add this REPLICA LINK due to error. result 1722 (0x6ba): The RPC server is unavailable. repadmin /replsum (1722) The RPC server is unavailable. (5) Access is denied. dcdiag /test:dns /s: /DnsBasic The host
Server 2003 It’s a common best practice to run the DCDIAG tool in all DC in your forest whenever a significant change has been made, i.e. a new DC has been added or deleted in the forest. With this you are testing if the change you just made was done correctly. It’s also common that if you have at least two domains in your forest (and the trust relationships in place), when you run dcdiag in any DC you get a message indicating that when the test of replication on a specific server applies, it fails indicating that the “RPC Server is unavailable”. Well, if you see this message you probably check if that the RPC service is up and running on the server… running in cmd “net start rpcss”. But the command prompt answers you, “don’t worry dude, the service was already running”. “Alright then…” you say, “Let’s try DCDIAG again”… and you get the same error like the first time… And then you go like “Hmmmm… why do I keep getting the same “RPC Server is unavailable” error?” And then I say “I know why dude!”… And then you “You do? Is there any way I can solve it?”…“Of course, why I’ll be posting something that I don’t know the answer!”… and then… OK, enough with the theatre… This issue appears when the configurations between the different DNS servers are not compatible. It’s something like this: you have a correct configuration in a DNS server that forwards any requests that does not belong to his domain ; but in the second domain, the DNS server does not forward the requests that ask for the first domain… was it clear? Let’s do a picture then! In this graphic, a contoso domain member it’s trying to get something from fabrikam, the DNS Server from contoso receive the request and see that it belongs to fabrikam and forwards the request to the correct DNS Server. But in the other side, a fabrikam user wants to get something from contoso but when it gets the requests, see that it’s n