diff --git a/src/services/schema/update/analyzer/mongo-collections-analyzer.js b/src/services/schema/update/analyzer/mongo-collections-analyzer.js
index f7ae4452a..08ba5c227 100644
--- a/src/services/schema/update/analyzer/mongo-collections-analyzer.js
+++ b/src/services/schema/update/analyzer/mongo-collections-analyzer.js
@@ -186,7 +186,7 @@ class MongoCollectionsAnalyzer {
       if (err) {
         if (
           err.message &&
-          (err.message.startsWith('CMD_NOT_ALLOWED') || err.message.startsWith('MapReduce'))
+          (err.message.startsWith('CMD_NOT_ALLOWED') || /mapreduce/gim.test(err.message))
         ) {
           return resolve(MAP_REDUCE_ERROR_STRING);
         }
diff --git a/test/services/analyzer/mongo-collections-analyzer.test.js b/test/services/analyzer/mongo-collections-analyzer.test.js
index cef188877..33eedd13b 100644
--- a/test/services/analyzer/mongo-collections-analyzer.test.js
+++ b/test/services/analyzer/mongo-collections-analyzer.test.js
@@ -1206,6 +1206,26 @@ describe('services > mongoCollectionsAnalyzer', () => {
         });
       });
 
+      describe('when there is a message containing mapReduce', () => {
+        it('should resolve an error and display a log', async () => {
+          expect.assertions(2);
+
+          const analyzer = new MongoCollectionsAnalyzer(makeContext());
+
+          const resolve = jest.fn();
+          const reject = jest.fn();
+
+          const callback = analyzer.mapReduceErrors(resolve, reject);
+
+          // Cosmos db from Azure error message
+          const error = { message: 'MongoError: Command mapReduce not supported.' };
+          callback(error, null);
+
+          expect(resolve).toHaveBeenCalledTimes(1);
+          expect(resolve).toHaveBeenLastCalledWith('MapReduceError');
+        });
+      });
+
       describe('when there is "CommandNotSupportedOnView" codeName', () => {
         it('should resolve an error', async () => {
           expect.assertions(2);