diff -rup xen-3.1-testing.hg/tools/python/xen/xend/XendDomainInfo.py xen-3.1-testing-15432/tools/python/xen/xend/XendDomainInfo.py
--- xen-3.1-testing.hg/tools/python/xen/xend/XendDomainInfo.py	2007-09-27 11:54:38.000000000 -0400
+++ xen-3.1-testing-15432/tools/python/xen/xend/XendDomainInfo.py	2007-09-27 12:43:20.000000000 -0400
@@ -2150,7 +2150,7 @@ class XendDomainInfo:
             raise VmError('Invalid VM Name')
 
         dom =  XendDomain.instance().domain_lookup_nr(name)
-        if dom and dom.domid != self.domid:
+        if dom and dom.info['uuid'] != self.info['uuid']:
             raise VmError("VM name '%s' already exists%s" %
                           (name,
                            dom.domid is not None and