Guest OS that is supporting Dynamic memory

Windows 2008 R2 Service Pack 1 Release Candidate(RC) has been released.
This SP1 makes Hyper-V to eanble Dynamic memory and Remote FX.

After install, it shows build number Service Pack, v721 on the property tab of comuputer in Control panel. (this number is the same with SP1 beta)
To check SP1 whether RC or not on your server , start regedit.exe and go to this key:
"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion"
Check BuildLabEx value. There you can see RC.

Follow list is Guest OS which has supported Dynamic memory since beta.
- Windows Server 2003 Enterprise & Datacenter (32-bit and 64-bit)
- Windows Server 2003 R2 Enterprise & Datacenter (32-bit and 64-bit)
- Windows Server 2008 Enterprise & Datacenter (32-bit and 64-bit)
- Windows Server 2008 R2 Enterprise & Datacenter (64-bit)
- Windows Vista Enterprise & Ultimate (32-bit and 64-bit)
- Windows 7 Enterprise & Ultimate (32-bit and 64-bit)


Here are Guest OS that has newly supported since RC (Web & Standard)
- Windows Server 2003 Web & Standard (32-bit and 64-bit)
- Windows Server 2003 R2 Web & Standard (32-bit and 64-bit)
- Windows Server 2008 Web & Standard (32-bit and 64-bit)
- Windows Server 2008 R2 Web & Standard (64-bit)


Prerequisite for Guest OS (Only Web or Standard)
- Windows Server 2003 or R2: Installing Integration Services
- Windows Server 2008: After installing SP2, then apply this hotfix
- Windows Server 2008 R2: Installing SP1