Why I cannot open SSAS DataSource Connection String in SSMS 20.2.30.0

Nenea Nelu 66 Reputation points
2024-07-23T19:32:28.9233333+00:00

Trying to manage Analysis Services Cube Data Source connections via SSMS 20.2.30.0 fails with error "tree node should not be null in DropDownTreeView::GetNodeId Parameter name: node" when I click on the three dots to the right side of the Connection String of the Data Source Properties but this works fine in SSMS 18.12 against SQL Server/Analysis Services 2019.
SSMS_20_Error

SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
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SQL Server Analysis Services
SQL Server Analysis Services
A Microsoft online analytical data engine used in decision support and business analytics, providing the analytical data for business reports and client applications such as Power BI, Excel, Reporting Services reports, and other data visualization tools.
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