FIX: 401 error occurs when you try to connect to an MDS solution by using MDS Add-in for Excel


Assume that you have a Master Data Services (MDS) solution in Microsoft SQL Server 2014 and the solution uses the NT LAN Manager (NTLM) Authentication protocol. When you try to connect to the MDS solution by using MDS Add-in for Excel, you receive the following error message:
The HTTP request is unauthorized with client authentication scheme ‘Negotiate’….401 error


The issue was first fixed in the following cumulative update of SQL Server:
Recommendation: Install the latest cumulative update for SQL Server


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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ID Bài viết: 3088041 - Xem lại Lần cuối: 24-08-2015 - Bản sửa đổi: 1

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