As you can understand .. at some point, the support of versions of NAV will end. And I think we can be glad that Microsoft (Dynamics NAV team) doesn't completely "cut off" the version (like it usually happens with software).
Microsoft Dynamics NAV 5.0 - Mainstream Support Ends April 2012
This sounds terrible, but in fact, may be it isn't all THAT terrible. Let's be honest. We're in 2012. Latest version is NAV 2009. And even the version before that (5.0) is - at this moment - still fully supported! In my opinion, that's been even too long ;°).
In April, only the Mainstream Support will end. But what does that mean? Well, don't be mistaken. Don't think you have any kind of support of Microsoft .. besides the stuff that was already reported and fixed. So, what I think it means - in my words - how I understand it - (hope I made clear that these are only my words, and is not an official statement ;°) ) - is that after April 2012, for NAV 5.0, including SP1,
So what does remain?
Well, for customers who are current on a service plan can continue to access the following benefits through CustomerSource:
And THAT's still very valuable, of course!
Don't say you didn't know! :-)
In other words the 5 + 5 means:
-During 5 years you get regular upgrades and support.
- The other 5 years (extended) you can use what you got the 5 years before.