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"Unknown error communicating with data source (COM:0xC1010000)" When Connected to Microsoft Analysis Services


Published: 29 Jul 2020
Last Modified Date: 03 Aug 2020

Issue

When adding a field to a view in Tableau Desktop, the following error may occur:

Unknown error communicating with data source (COM:0xC1010000)

Environment

  • Tableau Desktop
  • Windows
  • Microsoft Analysis Services (MSAS)

Resolution

To troubleshoot this error, uninstall the incompatible MSOLAP driver, and install the latest MSOLAP (SQL_AS_OLEDB) driver version listed on the Driver Download page for Microsoft Analysis Services. 

Cause

The MSOLAP driver version used by the connection is incompatible with Tableau (e.g. 15.1.48.22, 15.1.44.24). 
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