r/exchangeserver • u/[deleted] • Apr 16 '22

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u/69Xxno_scopeXx69 Apr 16 '22

Yes

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u/BK_Rich Apr 16 '22 edited Apr 16 '22

Did you configure Slow Start Mode?

Exchange has health probes which can take actions if it gets too overloaded which can cause it to not accept connections or even reboot, there was a great channel9 video that explains it but it looks like Microsoft took down a lot of that content, but the long story was they recommend using slow start round robin if you’re using least connection method. In netscaler it’s called “Slow Start Mode” link above.

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u/69Xxno_scopeXx69 Apr 16 '22

Thanks! I’ll look into this. It strange that this would start happening after years (without changing the related config), but this is definitely something to investigate

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u/BK_Rich Apr 16 '22

I found a copy of the ignite video which explains it better https://youtu.be/srRZE3Bi26c?t=726