https://crunchnotes.cloud/description: >- Field notes from the cloud trenches. Azure, M365, Active Directory, Security, Networking and IT Consulting by Crunch. 2026-05-27T09:52:41+02:00 Crunch https://crunchnotes.cloud/ Jekyll © 2026 Crunch /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png 2026-05-26T10:00:00+02:00 2026-05-27T09:52:25+02:00 https://crunchnotes.cloud/posts/why-your-azure-vm-cant-see-dfs-files/ Crunch

The DFS path opens halfway. You click one folder deeper. “Cannot resolve.” You assume Kerberos. You’re wrong. The setup An Azure VM. Not joined to the corporate domain. Its job is to read from a DFS namespace - the kind backed by a domain controller, with target servers scattered across regions. A data platform workload that needs to pull source files from shared storage. The namespace is \\...

2026-03-04T10:00:00+01:00 2026-03-04T22:19:18+01:00 https://crunchnotes.cloud/posts/when-entra-id-lies-to-exchange-online.md/ Crunch

The helpdesk ticket said “archive broken.” The actual problem was a job title change from three days earlier. These things are connected - Exchange Hybrid just makes sure you won’t figure that out immediately. The problem The tickets started coming in separately. Jan Kowalski: “job title was updated but still showing the old one.” Andrzej Nowak: “department change not reflected.” Zofia Wiśnie...

2026-02-16T10:00:00+01:00 2026-02-16T10:55:17+01:00 https://crunchnotes.cloud/posts/azure-800-deployment-limit/ Crunch

Nothing says “great Friday afternoon” like your deployment pipeline refusing to work because Azure decided 800 is enough. No warning, no grace period – just a wall. Luckily, the fix is simpler than explaining to your manager why production is stuck. The problem Azure keeps a history of every ARM deployment in a Resource Group, and the hard limit is 800. Once you hit it, you get this lovely me...

2026-02-14T20:00:00+01:00 2026-02-15T13:31:23+01:00 https://crunchnotes.cloud/posts/hello-from-the-trenches/ Crunch

This is CrunchNotes – my corner of the internet where I dump field notes from everyday cloud and IT consulting work. I’m Marcin, a.k.a. Crunch (surname Chrzęst = Crunch in Polish). Nearly 20 years in IT, currently deep in Azure, M365, Active Directory and Security. For years I’ve been keeping notes in OneNote – configs that worked, scripts that saved the day, issues that took hours to figure o...