Kentico Server for Disaster Recovery

Vicky Barraza asked on March 28, 2017 16:24

Hello all, I would like to find out how does licensing work when you want to have a second server on stand by for Disaster Recovery at a separate facility from your main production data center?, Do I need 2 Kentico Production Licenses per site for this purpose?, is there documentation available about this subject that can be provided? any help will be much appreciated.



Correct Answer

Brenden Kehren answered on March 28, 2017 16:47

If you have a single web server and a single database server that are active and then a single web server and single database server that are passive, NO you do not need to have 2 licenses.

If you want to have a load balanced setup where you have 2 or more servers in a web farm, you will need to purchase an additional license for the additional servers in the web farm. That being said, you can still have your active/passive setup with a web farm environment as well without additional need for another license.

Keep in mind the above are talking about 2 different things:

  • active and passive servers
  • load balancing
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Recent Answers

Rui Wang answered on March 28, 2017 16:32

It depends on if you try to setup the DR with it's own web + SQL server or if you want to just load balance the web server.

If you only load balance the web server, then you will need web farm key for 2 servers for one site. If it's a cold stand by which you do your back/restore or sync, and only change the DNS to point to it. Then you don't need separate license.

I think it's not documented as it's the grey area of licensing.

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