Index: trunk/packages/invirt-web/code/validation.py
===================================================================
--- trunk/packages/invirt-web/code/validation.py	(revision 2119)
+++ trunk/packages/invirt-web/code/validation.py	(revision 2132)
@@ -6,10 +6,8 @@
 import string
 import dns.resolver
-from invirt.database import Machine, NIC, Type, Disk, CDROM, Autoinstall
+from invirt.database import Machine, NIC, Type, Disk, CDROM, Autoinstall, Owner
 from invirt.config import structs as config
 from invirt.common import InvalidInput, CodeError
 
-MAX_MEMORY_TOTAL = 512
-MAX_MEMORY_SINGLE = 512
 MIN_MEMORY_SINGLE = 16
 MAX_DISK_TOTAL = 50
@@ -92,13 +90,12 @@
     returned.
     """
-    if machine is not None and machine.memory > MAX_MEMORY_SINGLE:
-        # If they've been blessed, let them have it
-        return machine.memory
+    (quota_total, quota_single) = Owner.getQuotas(machine.owner if machine else owner)
+
     if not on:
-        return MAX_MEMORY_SINGLE
+        return quota_single
     machines = getMachinesByOwner(owner, machine)
     active_machines = [m for m in machines if m.name in g.xmlist_raw]
     mem_usage = sum([x.memory for x in active_machines if x != machine])
-    return min(MAX_MEMORY_SINGLE, MAX_MEMORY_TOTAL-mem_usage)
+    return min(quota_single, quota_total-mem_usage)
 
 def maxDisk(owner, machine=None):