Assume that you have a tabular model with 1103 compatibility level. When you upgrade the model to 1400 compatibility level, and deploy it to Microsoft SQL Server 2017 Analysis Services (SSAS) by using the same database name and data, you may get the following error:


In addition, you may notice that the database becomes inaccessible and any operation from SQL Server Management Studio (SSMS) fails with the following error:



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


This fix is included in the following cumulative update for SQL Server:

About cumulative updates for SQL Server:

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:


Learn about the terminology that Microsoft uses to describe software updates.

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