diff --git a/mssql/functions.py b/mssql/functions.py
index ddf34ca7..6b9430f6 100644
--- a/mssql/functions.py
+++ b/mssql/functions.py
@@ -435,6 +435,15 @@ def sqlserver_sha512(self, compiler, connection, **extra_context):
     )
 
 
+def sqlserver_iterator(queryset, chunk_size=2000):
+    steps = int(queryset.count() / chunk_size + 1)
+    step = 0
+    while step < steps:
+        for obj in queryset[chunk_size * step : (step + 1) * chunk_size]:
+            yield obj
+        step += 1
+
+
 # `as_microsoft` called by django.db.models.sql.compiler based on connection.vendor
 ATan2.as_microsoft = sqlserver_atan2
 # Need copy of old In.split_parameter_list_as_sql for other backends to call
@@ -475,3 +484,4 @@ def sqlserver_sha512(self, compiler, connection, **extra_context):
 
 OrderBy.as_microsoft = sqlserver_orderby
 QuerySet.bulk_update = bulk_update_with_default
+QuerySet.iterator = sqlserver_iterator