diff --git a/awx/plugins/fact_caching/awx.py b/awx/plugins/fact_caching/awx.py
index 9b929a2728..207292c37e 100755
--- a/awx/plugins/fact_caching/awx.py
+++ b/awx/plugins/fact_caching/awx.py
@@ -92,6 +92,14 @@ class CacheModule(BaseCacheModule):
         modified_key = self.translate_modified_key(key)
 
         self.mc.set(host_key, json.dumps(value))
+        value = json.dumps(value)
+        rc = self.mc.set(host_key, value)
+        if rc == 0 and len(value) > self.mc.server_max_value_length:
+            self._display.error(
+                "memcache.set('{}', '?') failed, value > server_max_value_length ({} bytes)".format(
+                    key, len(value)
+                )
+            )
         self.mc.set(modified_key, datetime.datetime.now(tzutc()).isoformat())
 
     def keys(self):