< Note: This post has been updated. Refer to this post for a new version of the script. The other week I needed a script to set an Outlook signature on all machines in the environment. I had a look around, and found some old VBScript solutions, but also a few using Powershell. The only script that came close to my needs was the one provided by Jan Egil: http://gallery.technet.microsoft.com/office/6f7eee4b-1f42-499e-ae59-1aceb26100de, but it returned quite a few errors, was missing some…