diff -r 9776d03bf108 tools/python/xen/xend/XendDomain.py
--- a/tools/python/xen/xend/XendDomain.py	Tue Sep 20 13:07:10 2005
+++ b/tools/python/xen/xend/XendDomain.py	Wed Sep 21 13:01:41 2005
@@ -45,6 +45,7 @@
 __all__ = [ "XendDomain" ]
 
 SHUTDOWN_TIMEOUT = 30
+PRIV_DOMAIN      =  0
 
 def is_dead(dom):
     return dom['crashed'] or dom['shutdown'] or (
@@ -168,7 +169,7 @@
         self.domain_restarts()
 
     def dom0_setup(self):
-        dom0 = self.domain_lookup(0)
+        dom0 = self.domain_lookup(PRIV_DOMAIN)
         if not dom0:
             dom0 = self.dom0_unknown()
         dom0.dom0_init_store()    
@@ -337,7 +338,7 @@
         return self.domains.get(id)
 
     def dom0_unknown(self):
-        dom0 = 0
+        dom0 = PRIV_DOMAIN
         uuid = None
         info = self.xen_domain(dom0)
         dompath = GetDomainPath(dom0)
@@ -505,6 +506,10 @@
 
         @param domid: domain id
         """
+
+        if domid == PRIV_DOMAIN:
+            raise XendError("Cannot destroy priviliged domain %i" % domid)
+        
         self.domain_restart_schedule(domid, reason, force=True)
         dominfo = self.domain_lookup(domid)
         if dominfo: