KNOWLEDGE BASE

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


Published: 29 Jul 2020
Last Modified Date: 08 Jul 2022

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 from Microsoft:
https://docs.microsoft.com/en-us/analysis-services/client-libraries?view=asallproducts-allversions

Cause

The MSOLAP driver version 12 used by the connection is incompatible with MS Analysis Services. Install the The MSOLAP driver version 15 fixed the issue.

 

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