To provide the central server fail-over functionality it is necessary to utilize Microsoft Windows Network Load Balancing Services (NLB).


Requirements:


  • Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2


Limitations:


  • Jobs stored on the server which is not available cannot be printed until you have specified a shared spooler.
  • All central servers need to be on same subnet.


Configuration of NLB


1. Install NLB feature to all central servers.

2. Start Network Load Balancing Manager.


3. Create new cluster by clicking on Cluster > New.

4. Enter the IP address of the first cluster node, Click on connect and select the network card. Confirm by clicking on Next.

5. Leave the default settings and click on Next.

6. Enter the cluster public IP address and click on Next.

7. Enter full Internet name and select the operation mode based on your network.

8. Edit the port rules:

- Affinity: Single

- Timeout: 15 minutes

and Click on Finish.


9. Add other central servers to cluster. Each server needs to have NLB feature installed.


Installation of OptimiDoc Central Server


1. Install OptimiDoc based on Administrator Quick Start Guide with connection to external database server.

2. Login to OptimiDoc Administration and open Settings and enter the Public IP address.

3. Restart OptimiDoc website.

4. Restart OptimiDoc Service

5. Repeat steps on all servers.