Recipe 17.4 Finding the Replica Servers for an Application Partition

17.4.1 Problem

You want to find the replica servers for an application partition.

17.4.2 Solution Using a graphical user interface
  1. Open ADSI Edit.

  2. Connect to the configuration naming context of the forest the application partition is in, if it is not already present in the left pane.

  3. Expand the configuration naming context and click on the Partitions container.

  4. In the right pane, right-click on the crossRef object that represents the application partition and select Properties.

  5. Under Attributes, select the msDS-NC-Replica-Locations attribute. Using a command-line interface
> ntdsutil "dom man" conn "co to se <DomainControllerName>" q "list nc replicas[RETURN] <AppPartitionDN>" q q Using VBScript
' This code displays the DN of each domain controller's  ' nTDSDSA object that is a replica server for the ' specified app partition ' ------ SCRIPT CONFIGURATION ------ ' Fully qualified DNS name of app partition  strAppPart = "<AppPartitionFQDN>"   ' e.g. ' ------ END CONFIGURATION --------- set objRootDSE = GetObject("LDAP://RootDSE") strBase    =  "<LDAP://cn=Partitions," & _               objRootDSE.Get("ConfigurationNamingContext") & ">;" strFilter  = "(&(objectcategory=crossRef)(dnsRoot=" & strAppPart & "));"  strAttrs   = "msDS-NC-Replica-Locations;" strScope   = "onelevel" set objConn = CreateObject("ADODB.Connection") objConn.Provider = "ADsDSOObject" objConn.Open "Active Directory Provider" set objRS = objConn.Execute(strBase & strFilter & strAttrs & strScope) if objRS.RecordCount <> 1 then    WScript.Echo "Did not find a match for application partition " & _                 strAppPart    WScript.Quit else    objRS.MoveLast    if objRS.Fields("msDS-NC-Replica-Locations").Properties.Count > 0 then       Wscript.Echo "There are no replica servers for app partition " & _                    strAppPart    else       Wscript.Echo "Replica servers for app partition " & strAppPart & ":"       for each strNTDS in objRS.Fields("msDS-NC-Replica-Locations").Value          WScript.Echo " " & strNTDS       next    end if end if

17.4.3 Discussion

The list of replica servers for an application partition is stored in the multivalued msDS-NC-Replica-Locations attribute on the crossRef object for the application partition. This object is located in the Partitions container in the configuration naming context.

17.4.4 See Also

Recipe 17.3 for adding and removing replica servers

Active Directory Cookbook
Active Directory Cookbook, 3rd Edition
ISBN: 0596521103
EAN: 2147483647
Year: 2006
Pages: 456

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