See https://github.com/Azure/azure-sdk-for-net/issues/41894 OR, if they decline to address the issue just change call to: ``` client.UploadPages(new MemoryStream(new byte[BlobSize]), offset: 0, conditions: new PageBlobRequestConditions() { LeaseId = handle.LeaseId }, progressHandler: null, transactionalContentHash: null, cancellationToken: default); ```