>Here's a basic question:
>I have a solution that contains 5 projects.
>All 5 projects reference a dll - wsgutilitieslib.dll that contains many utilities used by this solution but is not a project in the solution.
>wsgutilitieslib.dll rarely changes, but it does occasionally.
>What should I do in the calling solution when I make changes to wsgutilitieslib.dll?
>I've been removing and re-adding the reference to it in each project of the solution.
>Is that necessary? Is so, it's getting to be quite a pain.
>What's the most efficient way to handle something like this?

AFAIK, if you add a reference to an external DLL in a project it will always use the current (i.e. latest) version. No special action neccessary. Do you have a situation where this is not the case ?