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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Microsoft Data Access Components (MDAC) is not present or corrupted

Microsoft Data Access Components (MDAC) is not present or corrupted

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Created by Interspire Import, last modified by Kyle Gilbert on Jan 25, 2018

Views: 3,511 Votes: 0 Revisions: 11

Updated January 25, 2018

Issue:

The SolarWinds Active Diagnostics utility reports that Microsoft Data Access Components (MDAC) is either missing or corrupted.

Resolution:

MDAC 2.8 is required, and it should be installed with Windows Server 2003. It is possible, however, that an older version of MDAC remains after upgrading your operating system from a previous version.

Orion Platform version 2018.2 and later does not support MDAC.

To confirm your MDAC version, use Microsoft's Component Checker tool, as follows:

  1. Download and install the Component Checker tool.
  2. Run the Component Checker, as instructed on the page linked above, and then check the MDAC version.

    On Windows Server 2003, MDAC version 2.8 should be installed. For more information, see the MSDN Blog article, "MDAC Install Issues - Excellent Overview".

  3. If the installed version of MDAC is older than version 2.8, download a new version of MDAC from Microsoft.
  4. If the installed version of MDAC is version 2.8 or higher, an incompatible .dll may be installed. To address this condition, reinstall MDAC, as indicated above.
  5. After you have confirmed that a valid version of MDAC is installed, run the SolarWinds Configuration Wizard again, opting to confirm all settings (Website, Database and Services).

This article applies to all SolarWinds products based on the Orion Platform.

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