Error 1722 The Rpc Server Is Unavailable Server 2008
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account only takes a few minutes. Join Now One of my branch domain controllers, error 1722 the rpc server is unavailable rightfax SINGAPOREDC is not replicating with its replication partner in our data center, CENTRALDC-02. I discovered the issue when I noticed error 1722 the rpc server is unavailable dameware an updated file in the netlogon folder was not updating everywhere. It seems to be just this one branch server. Other branch domain controllers that replicate with CENTRALDC-02 are fine. On SINGAPOREDC, the RpcSs.exe is https://technet.microsoft.com/en-us/library/replication-error-1722-the-rpc-server-is-unavailable(v=ws.10).aspx listening on TCP port 135. It is open in the firewall, and querying the port returns that it is listening. It's also listening on ports 389, 3268, and 3269. Performing a dcdiag /test:replications on SINGAPOREDC shows errors 1256 (The remote system is not available) and 1722 (The RPC server is unavailable) replicating from the central DC to the branch DC. No errors running this on the central DC. Performing repadmin https://community.spiceworks.com/topic/653215-replication-problem-rpc-server-unavailable-error-1722 /replsummary also shows error 1722, with 4 fails out of 5 attempts. I have rebooted both of these DCs. The RPC service is running. It appears to have all of its DNS records in place. Forcing a replication via Sites & Services sometimes throws an error saying it can't communicate with the server. Performing dcdiag /test:dns /v /e on SINGAPOREDC gives many errors, as shown below. Note that while it fails communicating with some domain controllers, it passes for others. Got this error for several but not all domain controllers. TextLdap search capabality attribute search failed on server LONDONDC, return value = 81 Got error while checking if the DC is using FRS or DFSR. Error: Win32 Error 81 The VerifyReferences, FrsEvent and DfsrEvent tests might fail because of this error. --- Got this error for several but not all domain controllers. TextTesting server: London\LONDONDC Starting test: Connectivity * Active Directory LDAP Services Check Got error while checking LDAP and RPC connectivity. Please check your firewall settings. ......................... LONDONDC failed test Connectivity Got this for the domain controller with which it is supposed to replicate. TextTesting server: Cleveland\CENTRALDC-02 Starting test: Connectivity * Active Directory LDAP Services Check Determining IP4 connectivity * Active Directory RPC Serv
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack http://serverfault.com/questions/207000/the-rpc-server-is-unavailable-when-replicating-domain-controllers Overflow the company Business Learn more about hiring developers or posting ads with us Server 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: 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 error 1722 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 (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 error 1722 the 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 DfsrEvent tests might fail because of this error. Done gathering initial info. Doing initial required tests Testing server: INF\EGDC1 Starting test: Connectivity ......................... EGDC1 passed test Connectivity Doing primary tests Testing server: INF\EGDC1 Starting test: Advertising ......................... EGDC1 passed test Advertising Starting test: FrsEvent ......................... EGDC1 passed test FrsEvent Starting test: DFSREvent ......................... EGDC1 passed test DFSREvent Starting test: SysVolCheck ......................... EGDC1 passed test SysVolCheck Starting test: KccEvent ......................... EGDC1 passed test KccEvent Starting test: KnowsOfRoleHolders [DC1] DsBindWithSpnEx() failed with error 1722, The RPC server is unavailable.. W