InvalidProgramException / Common Language Runtime detected an invalid program

Experienced this issue when carrying out a live deployment. There’s various StackOverflow topics on the subject but it appears to be an issue with Azure deployment. Re-deploy and all should be fine.

Azure DevOps – Installed Task unable for selection in pipeline

The Problem A current annoying quirk it seems.  Adding a task through the marketplace and installing to the correct organisation. Going into the pipeline and then attempting to add this task shows the task as “installed” but little else – I’m unable to add…

Azure App Service Deployment Slots

  With the Standard App Service service plan upwards you get 5 Deployment slots to play with. These are essentially staging slots that can be used to progress from Dev to Pre-Prod to Live. There’s lots of guidance online about deployment slots but here’s…

Using Deploy Keys with TeamCity and Git

Had a number of TeamCity projects connecting to the Git repo using my user account.  Was thinking I should really request for service accounts to do the connection.  This becomes a pain when I change my user password as I have to remember to…

Gacutil fails to register a dll and fails silently

I hit a bit of an issue the other day. Me and the DBA were rolling out quite a sizeable deployment into production.  We were about half way through our deployment checklist (also known as the runbook).  It was going well, too well in fact….