Category: Exchange

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Atlas reading a tablet while seated on books with a coffee

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One public IP, two Exchange servers: Atlas holding a globe, with HAProxy routing to Exchange 01 and Exchange 02

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5 Nov 2026 7 min read

Two Exchange Servers, One IP Address

I have a production Exchange server and a lab one, and a single public IP address. Both want port 443. HAPMan is the free tool I built to route them by name, with HAProxy doing...

Microsoft #Exchange #HAProxy

Exchange Certificate Manager: certificates, URLs and domains in one Windows app, for Exchange 2016, 2019 and Subscription Edition

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4 Nov 2026 6 min read

Exchange Certificates, URLs and Domains, Without the Homework

Setting up Exchange Server means virtual directory URLs, a certificate and accepted domains, done in the right order. I do it rarely enough to look it up every time, so I built...

Exchange #Exchange #Certificates

EWS Retirement: The Exchange Deadline You Cannot Keep Ignoring

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31 Aug 2026 15 min read

EWS Retirement: The Exchange Deadline You Cannot Keep Ignoring

EWS retirement is about far more than rewriting an application. The 1 October 2026 Exchange Online disablement phase is almost here, and April 2027 will arrive quickly. Have you...

EWS #EWS #Exchange