diff --git a/planetstack/core/admin.py b/planetstack/core/admin.py
index ed34fff..07029a2 100644
--- a/planetstack/core/admin.py
+++ b/planetstack/core/admin.py
@@ -641,9 +641,9 @@
 
 class SliceAdmin(PlanetStackBaseAdmin):
     form = SliceForm
-    fieldList = ['name', 'site', 'serviceClass', 'enabled','description', 'service', 'slice_url']
+    fieldList = ['name', 'site', 'serviceClass', 'enabled','description', 'service', 'slice_url', 'max_slivers']
     fieldsets = [('Slice Details', {'fields': fieldList, 'classes':['suit-tab suit-tab-general']}),]
-    list_display = ('name', 'site','serviceClass', 'slice_url')
+    list_display = ('name', 'site','serviceClass', 'slice_url', 'max_slivers')
     inlines = [SlicePrivilegeInline,SliverInline, TagInline, ReservationInline,SliceNetworkInline]
 
     user_readonly_fields = fieldList
diff --git a/planetstack/core/models/slice.py b/planetstack/core/models/slice.py
index fd91c30..bd41f87 100644
--- a/planetstack/core/models/slice.py
+++ b/planetstack/core/models/slice.py
@@ -20,6 +20,7 @@
     description=models.TextField(blank=True,help_text="High level description of the slice and expected activities", max_length=1024)
     slice_url = models.URLField(blank=True, max_length=512)
     site = models.ForeignKey(Site, related_name='slices', help_text="The Site this Slice belongs to")
+    max_slivers = models.IntegerField(default=10) 
     imagePreference = models.CharField(default="Ubuntu 12.04 LTS", null=True, blank=True, max_length=256)
     service = models.ForeignKey(Service, related_name='service', null=True, blank=True)
     network = models.CharField(default="Private Only",null=True, blank=True, max_length=256)
diff --git a/planetstack/observer/steps/sync_slice_deployments.py b/planetstack/observer/steps/sync_slice_deployments.py
index c7b20ce..580edd1 100644
--- a/planetstack/observer/steps/sync_slice_deployments.py
+++ b/planetstack/observer/steps/sync_slice_deployments.py
@@ -61,6 +61,7 @@
         next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
         return next_network
 
+
     def sync_record(self, slice_deployment):
         logger.info("sync'ing slice deployment %s" % slice_deployment)
         if not slice_deployment.tenant_id:
@@ -91,9 +92,16 @@
 
 
         if slice_deployment.id and slice_deployment.tenant_id:
+            # update existing tenant
             driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
             driver.update_tenant(slice_deployment.tenant_id,
                                  description=slice_deployment.slice.description,
-                                 enabled=slice_deployment.slice.enabled)   
+                                 enabled=slice_deployment.slice.enabled)  
+
+        if slice_deployment.tenant_id:
+            # update slice/tenant quota
+            driver = self.driver.client_driver(deployment=slice_deployment.deployment.name,
+                                              tenant=slice_deployment.slice.name)
+            driver.shell.nova.quotas.update(tenant_id=slice_deployment.tenant_id, instances=int(slice_deployment.slice.max_slivers)) 
 
         slice_deployment.save()
diff --git a/planetstack/observer/steps/sync_slices.py b/planetstack/observer/steps/sync_slices.py
index cc1220c..6cf0772 100644
--- a/planetstack/observer/steps/sync_slices.py
+++ b/planetstack/observer/steps/sync_slices.py
@@ -4,7 +4,7 @@
 from django.db.models import F, Q
 from planetstack.config import Config
 from observer.openstacksyncstep import OpenStackSyncStep
-from core.models.slice import Slice
+from core.models.slice import Slice, SliceDeployments
 from util.logger import Logger, logging
 
 logger = Logger(level=logging.INFO)
@@ -17,4 +17,7 @@
         return Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
 
     def sync_record(self, slice):
-        slice.save()
+        for slice_deployment in SliceDeployments.objects.filter(slice=slice):
+            # bump the 'updated' timestamp and trigger observer to update
+            # slice across all deployments 
+            slice_deployment.save()