https://amylifecycle.com/ Migration work, endpoint tooling and notes from running a Microsoft estate. Written by Ahmet Mustafa Yılmaz, IT Director in Dubai. en Sat, 05 Sep 2026 01:31:43 +0000 https://amylifecycle.com/writing/ews-goes-dark-in-october/ https://amylifecycle.com/writing/ews-goes-dark-in-october/ Tue, 01 Sep 2026 00:00:00 +0000 Disabled by default on 1 October 2026, gone entirely by April 2027. The allow list buys you six months, not a solution. https://amylifecycle.com/writing/secure-boot-certificates-expire/ https://amylifecycle.com/writing/secure-boot-certificates-expire/ Wed, 12 Aug 2026 00:00:00 +0000 Fifteen year old certificates, staged expiry from June, and a failure mode that does not announce itself at boot. https://amylifecycle.com/writing/windows-10-esu-is-a-bridge/ https://amylifecycle.com/writing/windows-10-esu-is-a-bridge/ Wed, 29 Jul 2026 00:00:00 +0000 Three renewable years is enough time to migrate properly and exactly enough time to keep postponing it. https://amylifecycle.com/writing/agents-faster-than-inventory/ https://amylifecycle.com/writing/agents-faster-than-inventory/ Wed, 08 Jul 2026 00:00:00 +0000 Your users are already building them. The permission model they inherit is the one you set years ago and forgot. https://amylifecycle.com/writing/autodiscover-lookup-order/ https://amylifecycle.com/writing/autodiscover-lookup-order/ Wed, 24 Jun 2026 00:00:00 +0000 Six lookup methods, first answer wins. After a migration the second one is usually a server that no longer exists. https://amylifecycle.com/writing/outlook-keeps-asking-old-password/ https://amylifecycle.com/writing/outlook-keeps-asking-old-password/ Tue, 19 May 2026 00:00:00 +0000 Three caches hold the previous identity, and clearing the obvious one fixes it for about a day. https://amylifecycle.com/writing/destructive-scripts-refuse-first/ https://amylifecycle.com/writing/destructive-scripts-refuse-first/ Wed, 15 Apr 2026 00:00:00 +0000 Dry run by default, back up before writing, read the value back, and exit non-zero when it did not work. https://amylifecycle.com/writing/pilot-group-not-representative/ https://amylifecycle.com/writing/pilot-group-not-representative/ Wed, 11 Mar 2026 00:00:00 +0000 Ten volunteers from the same team share a laptop model, an OS build and a set of habits. That is one user tested ten times. https://amylifecycle.com/writing/powershell-51-deployment-target/ https://amylifecycle.com/writing/powershell-51-deployment-target/ Thu, 11 Dec 2025 00:00:00 +0000 The version on the machine matters more than the version on your machine, and it is older than you think. https://amylifecycle.com/writing/marketplace-while-running-it/ https://amylifecycle.com/writing/marketplace-while-running-it/ Fri, 28 Nov 2025 00:00:00 +0000 What building KiezHelfer taught me about the difference between owning a system and owning a product. https://amylifecycle.com/writing/two-hundred-tickets-one-bug/ https://amylifecycle.com/writing/two-hundred-tickets-one-bug/ Thu, 06 Nov 2025 00:00:00 +0000 How I read a ticket queue for the shape underneath it instead of working through it in order.