Getting Your Groove Off

Until recently, the only knowledge I had of Groove was that it was some kind of collaboration product that we got as a result of bringing in Ray Ozzie.  Then I got a new manager who insisted that our team standardize on Groove for the team document repository – so I got setup on Groove and went on with my life.  In general, there’s nothing I found terribly impressive about it, but it wasn’t really getting in my way so no reason to get too upset…

Until my Tortoise SVN icon overlays stopped working.

I ended up spending quite a bit of time this morning trying to figure out exactly why they weren’t working.  It was odd – I had no problems on my home machine – but on both of my work machines, same result – no TSVN icons.  Finally, @pilotbob pointed me to this article which set off a chain of recollections – most notably that the major difference between my work machines and my home machine had to do with the order that I installed stuff.  On my home machine, I installed Office after I got my dev environment setup.  However, on my work machine, Office was installed as a part of the default OS install image – and Groove was included in that installation.

So why is this important?  Because if you remember from the article, Windows supports only 15 overlay handler slots – and installing Groove puts 5 handlers right there on top of my TSVN handlers – the net result being that my TSVN icon overlays don’t load.

To fix, I simply went into the registry, deleted all of the Groove overlay handlers from HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers


Then rebooted.  Voila!  TSVN icon overlays come right back up!

About Howard Dierking

I like technology...a lot...
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  • chris

    I had the same thing happen when I moved to windows 7. I installed Dropbox before svn. And as Dropbox needs to use overlays there werent enough spaces left for the svn ones.

    Seems a bit lame that windows can only handle about 12 overlays

  • Rainer Hilmer

    Good to know. Thanks for the information. :)