diff --git a/src/Tests/BirdsiteLive.Pipeline.Tests/Processors/SendTweetsToFollowersProcessorTests.cs b/src/Tests/BirdsiteLive.Pipeline.Tests/Processors/SendTweetsToFollowersProcessorTests.cs
index 5fb4dd9..899e19f 100644
--- a/src/Tests/BirdsiteLive.Pipeline.Tests/Processors/SendTweetsToFollowersProcessorTests.cs
+++ b/src/Tests/BirdsiteLive.Pipeline.Tests/Processors/SendTweetsToFollowersProcessorTests.cs
@@ -241,6 +241,89 @@ namespace BirdsiteLive.Pipeline.Tests.Processors
             #endregion
         }
 
+        [TestMethod]
+        public async Task ProcessAsync_MultiInstances_SharedInbox_OneTweet_ErrorReset_Test()
+        {
+            #region Stubs
+            var tweetId = 1;
+            var host1 = "domain1.ext";
+            var host2 = "domain2.ext";
+            var sharedInbox = "/inbox";
+            var userId1 = 2;
+            var userId2 = 3;
+            var userAcct = "user";
+
+            var userWithTweets = new UserWithDataToSync()
+            {
+                Tweets = new[]
+                {
+                    new ExtractedTweet
+                    {
+                        Id = tweetId
+                    }
+                },
+                User = new SyncTwitterUser
+                {
+                    Acct = userAcct
+                },
+                Followers = new[]
+                {
+                    new Follower
+                    {
+                        Id = userId1,
+                        Host = host1,
+                        SharedInboxRoute = sharedInbox
+                    },
+                    new Follower
+                    {
+                        Id = userId2,
+                        Host = host2,
+                        SharedInboxRoute = sharedInbox,
+                        PostingErrorCount = 50
+                    },
+                }
+            };
+            #endregion
+
+            #region Mocks
+            var sendTweetsToInboxTaskMock = new Mock<ISendTweetsToInboxTask>(MockBehavior.Strict);
+
+            var sendTweetsToSharedInboxTaskMock = new Mock<ISendTweetsToSharedInboxTask>(MockBehavior.Strict);
+            sendTweetsToSharedInboxTaskMock
+                .Setup(x => x.ExecuteAsync(
+                    It.Is<ExtractedTweet[]>(y => y.Length == 1),
+                    It.Is<SyncTwitterUser>(y => y.Acct == userAcct),
+                    It.Is<string>(y => y == host1),
+                    It.Is<Follower[]>(y => y.Length == 1)))
+                .Returns(Task.CompletedTask);
+
+            sendTweetsToSharedInboxTaskMock
+                .Setup(x => x.ExecuteAsync(
+                    It.Is<ExtractedTweet[]>(y => y.Length == 1),
+                    It.Is<SyncTwitterUser>(y => y.Acct == userAcct),
+                    It.Is<string>(y => y == host2),
+                    It.Is<Follower[]>(y => y.Length == 1)))
+                .Returns(Task.CompletedTask);
+
+            var followersDalMock = new Mock<IFollowersDal>(MockBehavior.Strict);
+
+            followersDalMock
+                .Setup(x => x.UpdateFollowerAsync(It.Is<Follower>(y => y.Id == userId2 && y.PostingErrorCount == 0)))
+                .Returns(Task.CompletedTask);
+
+            var loggerMock = new Mock<ILogger<SendTweetsToFollowersProcessor>>();
+            #endregion
+
+            var processor = new SendTweetsToFollowersProcessor(sendTweetsToInboxTaskMock.Object, sendTweetsToSharedInboxTaskMock.Object, followersDalMock.Object, loggerMock.Object);
+            var result = await processor.ProcessAsync(userWithTweets, CancellationToken.None);
+
+            #region Validations
+            sendTweetsToInboxTaskMock.VerifyAll();
+            sendTweetsToSharedInboxTaskMock.VerifyAll();
+            followersDalMock.VerifyAll();
+            #endregion
+        }
+
         [TestMethod]
         public async Task ProcessAsync_SameInstance_Inbox_OneTweet_Test()
         {
@@ -463,5 +546,86 @@ namespace BirdsiteLive.Pipeline.Tests.Processors
             followersDalMock.VerifyAll();
             #endregion
         }
+
+        [TestMethod]
+        public async Task ProcessAsync_MultiInstances_Inbox_OneTweet_ErrorReset_Test()
+        {
+            #region Stubs
+            var tweetId = 1;
+            var host1 = "domain1.ext";
+            var host2 = "domain2.ext";
+            var inbox = "/user/inbox";
+            var userId1 = 2;
+            var userId2 = 3;
+            var userAcct = "user";
+
+            var userWithTweets = new UserWithDataToSync()
+            {
+                Tweets = new[]
+                {
+                    new ExtractedTweet
+                    {
+                        Id = tweetId
+                    }
+                },
+                User = new SyncTwitterUser
+                {
+                    Acct = userAcct
+                },
+                Followers = new[]
+                {
+                    new Follower
+                    {
+                        Id = userId1,
+                        Host = host1,
+                        InboxRoute = inbox
+                    },
+                    new Follower
+                    {
+                        Id = userId2,
+                        Host = host2,
+                        InboxRoute = inbox,
+                        PostingErrorCount = 50
+                    },
+                }
+            };
+            #endregion
+
+            #region Mocks
+            var sendTweetsToInboxTaskMock = new Mock<ISendTweetsToInboxTask>(MockBehavior.Strict);
+            sendTweetsToInboxTaskMock
+                .Setup(x => x.ExecuteAsync(
+                    It.Is<ExtractedTweet[]>(y => y.Length == 1),
+                    It.Is<Follower>(y => y.Id == userId1),
+                    It.Is<SyncTwitterUser>(y => y.Acct == userAcct)))
+                .Returns(Task.CompletedTask);
+
+            sendTweetsToInboxTaskMock
+                .Setup(x => x.ExecuteAsync(
+                    It.Is<ExtractedTweet[]>(y => y.Length == 1),
+                    It.Is<Follower>(y => y.Id == userId2),
+                    It.Is<SyncTwitterUser>(y => y.Acct == userAcct)))
+                .Returns(Task.CompletedTask);
+
+            var sendTweetsToSharedInboxTaskMock = new Mock<ISendTweetsToSharedInboxTask>(MockBehavior.Strict);
+
+            var followersDalMock = new Mock<IFollowersDal>(MockBehavior.Strict);
+
+            followersDalMock
+                .Setup(x => x.UpdateFollowerAsync(It.Is<Follower>(y => y.Id == userId2 && y.PostingErrorCount == 0)))
+                .Returns(Task.CompletedTask);
+
+            var loggerMock = new Mock<ILogger<SendTweetsToFollowersProcessor>>();
+            #endregion
+
+            var processor = new SendTweetsToFollowersProcessor(sendTweetsToInboxTaskMock.Object, sendTweetsToSharedInboxTaskMock.Object, followersDalMock.Object, loggerMock.Object);
+            var result = await processor.ProcessAsync(userWithTweets, CancellationToken.None);
+
+            #region Validations
+            sendTweetsToInboxTaskMock.VerifyAll();
+            sendTweetsToSharedInboxTaskMock.VerifyAll();
+            followersDalMock.VerifyAll();
+            #endregion
+        }
     }
 }
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