http://blogs.msdn.com/virtual_pc_guy/archive/2006/02/21/534837.aspxWhen you move a virtual machine from Virtual PC to Virtual Server (or from Virtual Server to Virtual PC) you will get a warning message stating that the virtual machine was made by a different program and 'may not work'. A number of people have had questionsen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/virtual_pc_guy/archive/2006/02/21/534837.aspx#537351Thu, 23 Feb 2006 01:36:19 GMT91d46819-8472-40ad-a661-2c78acb4018c:537351larrydI currently run virtual pc 2004 under xp sp2. I would also like to run virtual server 2005 r2 along side virtual pc. is this possible? Thankshttp://blogs.msdn.com/virtual_pc_guy/archive/2006/02/21/534837.aspx#537481Thu, 23 Feb 2006 04:56:33 GMT91d46819-8472-40ad-a661-2c78acb4018c:537481RTCOk, mind telling us how to turn it off; seeing as how it's admitted that VPC doesn't have the smarts to figure it out on its own?http://blogs.msdn.com/virtual_pc_guy/archive/2006/02/21/534837.aspx#537498Thu, 23 Feb 2006 05:15:30 GMT91d46819-8472-40ad-a661-2c78acb4018c:537498RTCSorry, didn't mean to sound curt there. &nbsp;Hope there's a workaroundhttp://blogs.msdn.com/virtual_pc_guy/archive/2006/02/21/534837.aspx#539703Mon, 27 Feb 2006 09:14:52 GMT91d46819-8472-40ad-a661-2c78acb4018c:539703ThomasMy workaround for the problem is to have two .VMC files, one created under virtual PC and the other created under Virtual Server. <br>I hack the MAC addresses in the XML file to be the same, and then I just migrate the .VHD files, not the entire machine. <br>It seems to work fine, if you take the caveats about the IDE configurations to heart :-)http://blogs.msdn.com/virtual_pc_guy/archive/2006/02/21/534837.aspx#540834Wed, 01 Mar 2006 00:44:18 GMT91d46819-8472-40ad-a661-2c78acb4018c:540834Virtual PC GuyRTC - <br> <br>Under Virtual Server we just file an event log entry - and do not disrupt you in anyway. &nbsp;With Virtual PC you can just check the 'do not show me this again' check box on the alert message. <br> <br>Cheers, <br>Benhttp://blogs.msdn.com/virtual_pc_guy/archive/2006/02/21/534837.aspx#542333Thu, 02 Mar 2006 22:22:07 GMT91d46819-8472-40ad-a661-2c78acb4018c:542333Victor LindseyIf I create a single-drive Win2003 VHD image as a SCSI drive, how do I easily change it to IDE? &nbsp;I'd like the image to run fast on Virtual Server 2005 R2, but also be portable to Virtual PC when necessary. <br> <br>(This post also occurs on &quot;IDE vs SCSI under Virtual Server&quot; thread...I don't know which thread it is more appropriate on...if duplicate post offends, please delete one or the other)http://blogs.msdn.com/virtual_pc_guy/archive/2006/02/21/534837.aspx#543320Sat, 04 Mar 2006 02:51:53 GMT91d46819-8472-40ad-a661-2c78acb4018c:543320Virtual PC GuyHi Victor, <br> <br>It depends on the guest operating system - some of them should just work if you move from SCSI to IDE. &nbsp;Others you would need to change the drivers. <br> <br>Cheers, <br>Ben