--- a/mozilla/production_config.py
+++ b/mozilla/production_config.py
@@ -11,17 +11,17 @@ SLAVES = {
     'mock':             LINUX64_EC2,
 }
 
 TRY_MAC64      = []
 TRY_LINUX64_EC2 = ['try-linux64-ec2-%03d' % x for x in range(1, 60) + range(301,340)] + \
     ['try-linux64-spot-%03d' % x for x in range(1, 200) + range(300,500)] + \
     ['try-linux64-spot-%d' % x for x in range(1000, 1100)]
 TRY_WIN64_REV2 = ['b-2008-ix-%04i' % x for x in range(18, 65) + range(173,185)] + \
-    ['b-2008-ec2-%04d' % x for x in range(1,6)]
+    ['b-2008-ec2-%04d' % x for x in range(1, 6) + range(20, 30)]
 TRY_LION       = ['bld-lion-r5-%03d' % x for x in range(7,37)] + \
                  ['bld-lion-r5-%03d' % x for x in range(95,97)]
 if set(TRY_WIN64_REV2).intersection(WIN64_REV2):
     raise Exception('TRY_WIN64_REV2 and WIN64_REV2 overlap')
 
 TRY_SLAVES = {
     'win64-rev2':  TRY_WIN64_REV2,
     'macosx64':    TRY_MAC64,