--- a/mozilla-tests/production_config.py
+++ b/mozilla-tests/production_config.py
@@ -10,23 +10,23 @@ SLAVES = {
     'ubuntu64_vm': {},
     'ubuntu64_vm_large': {},
     'ubuntu64_vm_armv6_large': {},
     'ubuntu32_hw': {},
     'ubuntu64_hw': {},
     'win64_vm': {},
 }
 
-for i in range(1,131):
+for i in range(1,163):
     SLAVES['xp-ix']['t-xp32-ix-%03i' % i] = {}
 
-for i in range(1,131):
+for i in range(1,163):
     SLAVES['win7-ix']['t-w732-ix-%03i' % i] = {}
 
-for i in range(1,131):
+for i in range(1,171):
     SLAVES['win8']['t-w864-ix-%03i' % i] = {}
 
 for i in range(1,166):
     SLAVES['snowleopard']['t-snow-r4-%04i' % i] = {}
 
 for i in range(1,87) + range(88,101):
     SLAVES['mountainlion']['talos-mtnlion-r5-%03i' % i] = {}