Assume that you use the Master Data Services Add-in for Microsoft Excel to connect to Microsoft SQL Server 2016 Master Data Services. You open one or more MDS entities, and then you save and close the workbook. In this situation, when you reopen the workbook, you receive an exception that resembles the following:

Exception from HRESULT : 0x800A03EC


The fix for this issue is included in the following cumulative update for SQL Server:

Cumulative Update 1 for SQL Server 2016

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:

Latest cumulative update for SQL Server 2016


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


Learn about the terminology Microsoft uses to describe software updates.

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