AD LDS Replication Failing

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    Hi All, Thanks in advance for any help or attempt to help.

    I am having trouble creating a dual-master replica instance of an AD LDS partition. I have created replicas before, so I know what to do when everything works, but this one is failing and the environment is slightly different than I have had in the past. I have only performed ADLDS instance replication on 2 separate, domain-joined 2008 R2 servers, using credentials of a domain admin account. This environment is different:


    • 2 Win7 ultimate machines (not virtual), each with AD LDS feature added.
    • Both Machines are standalone (non-domain, workgroup)
    • Each machine has a local admin account only.
    • Machine A
      • ADLDS instance ‘InstanceA’
      • partion ‘dc=part’
      • port 6000 (ssl 6001)
      • The local admin account, ‘Admin-A’ is added as a member of the administrators role in the partition
    • Machine B is intended to have a replica instance installed on it

    My procedure:

    I log into Machine B with local admin, ‘Admin-B’ and start the AD LDS Setup Wizard.

    I choose ‘A replica of an existing instance’

    I name the instance ‘ReplicaOfInstanceA’

    i set the desired ports as 6000 and ssl 6001

    For ‘Joining a Configuration Set’ I enter in the values for InstanceA on MachineA. I have tried using the IP address and selecting it by browsing the Network, both produce the same results. Port is 6000

    For ‘Admin credentials on the Configuration Set’ I use the credentials of MachineAAdmin-A

    It appears to successfullfy connect, because it then asks me to choose the Active directory partition. The list only contains the one partition, ‘dc=part’. I check this and continue.

    I use defaule File Locations.

    I choose Network Service Account for permissions

    For AD LDS Amins, i choose the currently logged in user (MachineBAdmin-B)

    I run the install and it fails with the following error:

    Active Directory Lightweight Directory Services could not create the NTDS Settings object for this Active Directory Lightweight Directory Services instance CN=NTDS Settings,CN=MACHINEB$ReplicaOfInstanceA,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,CN={9076F6D9-6231-495B-3963-3625970GEG40} on the remote AD LDS instance MACHINEA:6000. Ensure the provided network credentials have sufficient permissions.
    Error code: 0x800706ec
    The list of RPC servers available for the binding of auto handles has been exhausted.

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