Upgrading 2 only I/O servers Win 7 to Win 11 - Plant Scada Version V8.1 to stay same

i will soon look at a hardware upgrade to our 2 current servers from WIN 7 O/S to WIN 11 O/S with our Plant Scada version to stay the same in the short term at V8.1.

multiple client workstations are all on WIN10 O/S Plant SCADA V8.1.

my initial plan is to configure both new servers on a separate isolated network with a test I/O device and once testing is completed then test with 1 original server and 1 New server to plant network.

can i ask if there is a document with detail on how to do this and anything i need to be aware of with the wealth of experience on this forum..

Nuno Ventura over 1 year ago

As far as I know, you can't test two servers as with networking active you need a license. You just can test the communication between one server and a device with demo mode for a limited time using [LAN] TCPIP=0 parameter in citect.ini file.

(You can do the test you told if you have a integrator or distributor license)
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Nuno Ventura over 1 year ago

About the upgrade as the citect version is the same, you don't need do nothing, shutdown one of the Win7 servers remove the license , install it in the Win 11 server as start the server. (I'm guessing the new server will have the same IP addresss as the older one) check the redundancy is working, then you can replace the clients and the other server.
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Alan over 1 year ago in reply to Nuno Ventura

Thanks Nuno, I appreciate your Help on this. yes, i do plan to use same IP on newer servers as the originals.
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