Assume that you run an instance of Microsoft SQL Server 2016 or 2017 Analysis Services in Tabular mode. When you deploy a tabular model database to the instance, you may receive an error message that resembles the following:

Failed to save modifications to the server. Error returned: 'There are ambiguous paths between fact_table_name and dimension_table_name: fact_table_name table_name table_namedimension_table_name and fact_table_nametable_namedimension_table_name


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

Cumulative Update 1 for SQL Server 2017

Cumulative Update 5 for SQL Server 2016 Service Pack 1

About SQL Server builds

Each new build for SQL Server contains all the hotfixes and security fixes that were in the previous build. We recommend that you install the latest cumulative updates for SQL Server:

Latest cumulative update for SQL Server 2017

latest build 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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