Article ID: 128796, created on May 4, 2016, last review on May 4, 2016

  • Applies to:
  • Operations Automation

Symptoms

The following error is shown when trying to access customer's site with database:

Microsoft OLE DB Provider for ODBC Drivers error '80004005'
[Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified

Cause

On 64-bit Windows systems application pools are configured to run in 64-bit mode by default, however this site needs 32-bit mode.

Resolution

Go to IIS Manager, find the application pool where this website is located and set the parameter Enable 32-bit Application to True.

Search Words

[Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified

failed task

cannot connect to access

Microsoft OLE DB Provider for ODBC Drivers error '80004005'

error on site after poa upgrade

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