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vebaglaci-9497 asked SamWu-MSFT commented

IIS 10 FARM Never Respond From Main Server and 502 Error

Hi,

Testing IIS farm with IIS 10 - Server 2016 Standart Edition, i have 3 servers configured as identical, all three of them running IIS 10 detailed configuration as below;

192.168.2.15 - alwaysup-main - binding :8000
192.168.2.16 - alwaysup-blue binding 80
192.168.2.17 - alwaysup-green binding 80

Farm name : alwaysupfarm
Farm Servers : alwaysup-main / alwaysup-blue / alwaysup-green
Healthcheck : PASS on all 3 of them
I'm doing tests on my home network that's why defining alwaysup domain to .hosts file.

192.168.2.15 host file;
127.0.0.1 alwaysup
127.0.0.1 alwaysup-main
192.168.2.16 alwaysup-blue
192.168.2.17 alwaysup-green

192.168.2.16 host file;
192.168.2.15 alwaysup
127.0.0.1 alwaysup-blue

192.168.2.17 host file;
192.168.2.15 alwaysup
127.0.0.1 alwaysup-green

When i refresh http://alwaysup it still replies from .16 & 17 but it is never ever replies from .15 and when i mark .16 & .17 as offline it's starting to return 502 bad gateway.

I'm pretty sure i'm missing something or doing very basic mistake but couldn't find where i'm doing wrong.

You can download log files from here : http://www.tlsteknoloji.net/iis_errlogs.zip

Any advice?

windows-server-iis
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@SamWu-MSFT ok i'll take a look at it but why it's never replies from 192.168.2.15?

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@vebaglaci-9497 Since I cannot reproduce your problem, you need to check it yourself, FRT should have relevant information.

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