VMWare从6.0升级到9.0，打开以前的虚拟机报错如下：
“this virtual machine’s policies are too old to be run by this version of vmware workstation”
解决方法：
http://www.wueblog.de/2012/08/vmware-fehlermeldung-this-virtual-machines-policies-are-too-old-to-be-run-by-this-version-of-vmware-workstation/
办法如下:
删除文件: Host.vmpl和Windows XP Professional.vmpl
打开文件：Windows XP Professional.vmx，删除里面的以下三行：
policy.vm.mvmtid ="xx"
policy.vm.managedVMTemplate = "TRUE"
policy.vm.managedVM = "FALSE"
重新打开即可。
解决 this virtual machine’s policies are too old to be run by this version of vmware workstation”
原文：http://www.cnblogs.com/cookies9/p/5605369.html