Memory limitation for virtualbox 2.0.6

nishim9 · Post by **nishim9** » 8. Dec 2008, 21:23

Gurus,

I installed Virtualbox 2.0.6 on windows vista 64 bit. My machine have 6 GB of RAM , I would like to allocate more than 4.5 GB to my Guest OS win2003
But at the time of creating New Virtual machine it is not allowing me to allocate more than 3.5 GB.

Is there any limitation ? Do i need to activate something ? I have 64 bit OS and i can see complete 6 GB but can't allocate to my guest OS.

Please help me for the same.

Thank you.

Post by **Sasquatch** » 8. Dec 2008, 23:18

This is done for the compatibility of 32 bit Guests. They can't see more than 3,5 GB of RAM. It might be possible on the next major release.

You also need to make sure that your Guest can actually see that much RAM properly.

nishim9 · Post by **nishim9** » 10. Dec 2008, 03:31

I am installing on windows vista which is 64 bit.In my system properties i can see 6 GB RAM but when i try to create virtual machine it is not allowing me to allocate more than 3.5 GB ?? sorry to ask you same again as i am not able to understand properly.,

jaloosk · Post by **jaloosk** » 10. Dec 2008, 03:54

It seems the vbox folks, while providing a version for 64-bit OS's, haven't actually enabled the most important feature of 64-bit computing; that of being able to assign more than 3.5GB RAM.

Either that or you're running a 32-bit version of vbox on your 64-bit host.

nishim9 · Post by **nishim9** » 10. Dec 2008, 04:08

Correct ! I am installing on 64 bit windows vista for sure.

Now what to do ?? All my projects are just stuck as of this.

Post by **Sasquatch** » 10. Dec 2008, 17:57

Did you even read my post? It's NOT yet possible. They just haven't build it.

Post by **SSCBrian** » 10. Dec 2008, 20:46

jaloosk wrote:that of being able to assign more than 3.5GB RAM.

Even the 3.5GB limit is fairly recent. Earlier in development, it was a lower number (2GB maybe?). I'm sure >3.5GB support is on the way.