When a 2-Year-Old Permission Change Broke OSLogin

Sun, 28 Dec 2025 21:45:00 -0400

Context

I ran into an unusual OSLogin failure while migrating a long-running server into a new GCP project. The request was to migrate from one old GCP project into multiple new ones, one per environment. This included several VMs with dev and prod versions.

GCP on Daniel McDonough

When a 2-Year-Old Permission Change Broke OSLogin

Context