diff --git a/src/Microsoft.Graph/Microsoft.Graph.nuspec b/src/Microsoft.Graph/Microsoft.Graph.nuspec
index e5a835f047c..d14723d8807 100644
--- a/src/Microsoft.Graph/Microsoft.Graph.nuspec
+++ b/src/Microsoft.Graph/Microsoft.Graph.nuspec
@@ -13,23 +13,11 @@
     <projectUrl>https://graph.microsoft.io</projectUrl>
     <licenseUrl>http://aka.ms/devservicesagreement</licenseUrl>
     <releaseNotes>
-      November 2016 Release Summary (version 1.2.0)
-
-      New features
-
-      * Get a user's mailbox settings and drives.
-      * Extended properties on calendars, events, messages, contacts, posts, contact folders, and mail folders.
-      * OnlineMeetingUrl on event entities.
-      * Attachments on messages.
-      * New properties on drive items: content, cTag, package, parentReference, root, sharePointIds, size, webDavUrl, and permissions.
-      * Upload large files to OneDrive in chunks.
-      * Search OneDrive files.
-      * Send OneDrive file sharing invite to other people.
-      * LINQ enabled on select and expand query parameters.
+      February 2017 Release Summary (version 1.2.1)
 
       Bug fixes
 
-      * Added missing configureAwait(false) in BaseRequest.cs to address potential deadlock scenario.
+      * Removed access token from resumable uploads as it is ignored by OneDrive for Business and causes an error for OneDrive for Consumer. 
     </releaseNotes>
     <tags>Microsoft Office365 Graph GraphServiceClient Outlook OneDrive AzureAD GraphAPI Productivity SharePoint SDK</tags>
     <dependencies>
diff --git a/src/Microsoft.Graph/Properties/AssemblyInfo.cs b/src/Microsoft.Graph/Properties/AssemblyInfo.cs
index 150d0f23020..c8c305461d9 100644
--- a/src/Microsoft.Graph/Properties/AssemblyInfo.cs
+++ b/src/Microsoft.Graph/Properties/AssemblyInfo.cs
@@ -24,8 +24,8 @@
 //
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
-[assembly: AssemblyVersion("1.2.0")]
-[assembly: AssemblyFileVersion("1.2.0.0")]
+[assembly: AssemblyVersion("1.2.1")]
+[assembly: AssemblyFileVersion("1.2.1.0")]
 
 #if DEBUG
 [assembly: InternalsVisibleTo("Microsoft.Graph.Test")]
diff --git a/src/Microsoft.Graph/Requests/UploadChunkRequest.cs b/src/Microsoft.Graph/Requests/UploadChunkRequest.cs
index 482f891f7e2..8f6acbf2a06 100644
--- a/src/Microsoft.Graph/Requests/UploadChunkRequest.cs
+++ b/src/Microsoft.Graph/Requests/UploadChunkRequest.cs
@@ -137,8 +137,6 @@ private async Task<HttpResponseMessage> SendRequestAsync(
 
             using (var request = this.GetHttpRequestMessage())
             {
-                await this.Client.AuthenticationProvider.AuthenticateRequestAsync(request).ConfigureAwait(false);
-
                 request.Content = new StreamContent(stream);
                 request.Content.Headers.ContentRange =
                     new ContentRangeHeaderValue(this.RangeBegin, this.RangeEnd, this.TotalSessionLength);
diff --git a/tests/Microsoft.Graph.Test/Requests/Functional/OneDriveTests.cs b/tests/Microsoft.Graph.Test/Requests/Functional/OneDriveTests.cs
index a5600c94261..974d14d074a 100644
--- a/tests/Microsoft.Graph.Test/Requests/Functional/OneDriveTests.cs
+++ b/tests/Microsoft.Graph.Test/Requests/Functional/OneDriveTests.cs
@@ -22,16 +22,18 @@ public async Task OneDriveUploadLargeFile()
                 using (System.IO.MemoryStream ms = new System.IO.MemoryStream(buff))
                 {
                     // Describe the file to upload. Pass into CreateUploadSession, when the service works as expected.
-                    //var props = new DriveItemUploadableProperties();
+                    var props = new DriveItemUploadableProperties();
                     //props.Name = "_hamilton.png";
                     //props.Description = "This is a pictureof Mr. Hamilton.";
                     //props.FileSystemInfo = new FileSystemInfo();
                     //props.FileSystemInfo.CreatedDateTime = System.DateTimeOffset.Now;
                     //props.FileSystemInfo.LastModifiedDateTime = System.DateTimeOffset.Now;
+                    props.AdditionalData = new Dictionary<string, object>();
+                    props.AdditionalData.Add("@microsoft.graph.conflictBehavior", "rename");
 
                     // Get the provider. 
                     // POST /v1.0/drive/items/01KGPRHTV6Y2GOVW7725BZO354PWSELRRZ:/_hamiltion.png:/microsoft.graph.createUploadSession
-                    // The CreateUploadSesssion action doesn't seem to support the options stated in the metadata.
+                    // The CreateUploadSesssion action doesn't seem to support the options stated in the metadata. This issue has been filed.
                     var uploadSession = await graphClient.Drive.Items["01KGPRHTV6Y2GOVW7725BZO354PWSELRRZ"].ItemWithPath("_hamilton.png").CreateUploadSession().Request().PostAsync();
 
                     var maxChunkSize = 320 * 1024; // 320 KB - Change this to your chunk size. 5MB is the default.
@@ -97,6 +99,34 @@ public async Task OneDriveNextPageRequest()
             }
         }
 
+        // Addressing https://github.com/microsoftgraph/MSGraph-SDK-Code-Generator/issues/71
+        //[TestMethod]
+        //public async Task OneDriveNextPageRequestRootItemWithPath()
+        //{
+        //    try
+        //    {
+        //        // This calls contains the correct URL structure: 
+        //        var path = "Community Service";
+        //        var driveItemsPage = await graphClient.Me.Drive.Root.ItemWithPath(path).Children.Request().Top(1).GetAsync(); // DriveItemChildrenCollectionRequest.GetAsync()
+        //        // https://graph.microsoft.com/v1.0/me/drive/root:/Community%20Service:/children?$top=1
+        //        // BUG: the nextLink returned by the service is incorrect.
+
+        //        // Assert that path is being added to the request URL.
+        //        StringAssert.Contains(driveItemsPage.NextPageRequest.RequestUrl, path, $"The path, '{path}' was not appended to the request URL.");
+
+        //        // This call does not issue the correct URL. Notice that ":/Community%20Service:" segment is missing.
+        //        driveItemsPage = await driveItemsPage.NextPageRequest.GetAsync();
+        //        // Actual nextLink value used to populate the NextPageRequest URL
+        //        // https://graph.microsoft.com/v1.0/me/drive/root/children?$top=1&$skiptoken=Paged%3dTRUE%26p_SortBehavior%3d0%26p_FileRef%3dpersonal%252fgarthf%255fmod810997%255fonmicrosoft%255fcom%252fDocuments%252fCommunity%2520Service%252fBook%252exlsx%26p_ID%3d390%26RootFolder%3d%252fpersonal%252fgarthf%255fmod810997%255fonmicrosoft%255fcom%252fDocuments%252fCommunity%2520Service
+        //        // Expected nextLink value used to populate the NextPageRequest URL
+        //        // https://graph.microsoft.com/v1.0/me/drive/root:/Community%20Service:/children?$top=1&$skiptoken=Paged%3dTRUE%26p_SortBehavior%3d0%26p_FileRef%3dpersonal%252fgarthf%255fmod810997%255fonmicrosoft%255fcom%252fDocuments%252fCommunity%2520Service%252fBook%252exlsx%26p_ID%3d390%26RootFolder%3d%252fpersonal%252fgarthf%255fmod810997%255fonmicrosoft%255fcom%252fDocuments%252fCommunity%2520Service
+        //    }
+        //    catch (Microsoft.Graph.ServiceException e)
+        //    {
+        //        Assert.Fail("Something happened, check out a trace. Error code: {0}", e.Error.Code);
+        //    }
+        //}
+
         // http://graph.microsoft.io/en-us/docs/api-reference/v1.0/api/item_downloadcontent
         [TestMethod]
         public async Task OneDriveGetContent()