Install Windows NLB

  1. Install Windows NLB on each Message Connector node.

    On Windows Server, NLB is installed as an additional feature of the operating system.

    1. Start Server Manager.
    2. Select Features.
    3. Click Add Features.
    4. Select Network Load Balancing and click Next.
    5. Click Install.
  2. Configure a fixed IP address on each node.
  3. The recommended method to create an NLB cluster is using the Windows Network Load Balancing Manager. Run "nlbmgr".
  4. Create a new cluster:
    1. Right-click Network Load Balancing Cluster and select New Cluster.
    2. Specify an IP address of one of the cluster hosts and click Connect. Select an interface and click Next.
    3. We recommend that you change the Default state to Suspended and select Retain suspended state after computer restarts. Message Connector updates the state after startup. Click Next.
    4. Click Add and specify the cluster IP address. Click OK, then click Next.
    5. In the Full Internet name field, enter the name of the cluster computer.
    6. Select Multicast (unless you have at least two network adapters on each node). Click Next.
    7. Click Add to add port rules for SMTP (default 25) and web service input (default 25087 for HTTP and 25088 for HTTPS). Select Multiple host as a Filtering mode and set Affinity to None.
    8. Click Finish.
  5. Add additional cluster nodes:
    1. Right-click the cluster and select Add Host.
    2. Specify an IP address of the node and click Connect. Select an interface and click Next.
    3. Click Next and then click Finish.