Error due to Microsoft Access Database Engine

 Product(s):Substation CONNECT
 Version(s):Through 10.08.XX.XX


In OpenUtilities Substation CONNECT Edition, you might get the below error message if the workspace is in a network location or in ProjectWise and you have Microsoft Office 2016.


Below error message occurs at the launching of the software.



Microsoft .NET Framework 

Unhandled exception has occurred in a component in your application. If you click Continue, the application will ignore this error and attempt to continue 

Object reference not set to an instance of an object 




Error: -

Required file or files missing from C:\ProgramData\Bentley\Bentley Substation CONNECT Edition\Configuration\Datasets\Substation\Config\


OpenUtilities Substation Problem Notification

OpenUtilities Substation has detected a problem and logged

it to



Use Abort to exit OpenUtilities Substation (recommended)

Use Retry to continue using OpenUtilities Substation

Use Ignore to continue using OpenUtilities Substation, and suppress future problem notifications

How to check windows updates?

  1. Click on “Check for updates”

  2. Click on “View update history”

  3. Check Update History.


There are a number of solutions, if this is the first time seeing this error, you can

1. Substation supports both Access Database Engine 2016 x64 16.0.5044.1000 and 16.0.4519.1000. Substation CE release is with Access Database Engine 2016 x64 16.0.5044.1000.

Uninstall the existing Microsoft Access Database engine 2016 version and reinstall.

If the error is consistent, then go for a second resolution.

2.  Users need to install security 4484211 which will fix this issue.

Databases on network share can't be accessed by multiple users in Office 2016 ( KB44844211)

Security Update for Microsoft Office (KB5002099) restricts the network share of Microsoft Access databases accessed by multiple users simultaneously in Microsoft Office 2016.

Download the updated Microsoft patch below link,

Update for Microsoft Office 2016 (KB4484211) 64-bit edition


 More Information

Below are Links for understanding the root cause of the issue,

Error in Access when opening a database on a network file share

The  security update for office 2016 (KB5002099)

 Original Author:Avanti Khandalkar