An error occurred when loading the task sequence when you create an MDT task sequence

This article helps you fix an issue where you receive the An error occurred when loading the task sequence error when you create a Microsoft Deployment Toolkit (MDT) task sequence in Configuration Manager.

Original product version:   Configuration Manager
Original KB number:   2468097

Symptoms

After selecting the Finish button when attempting to create an MDT task sequence, the task sequence may fail to create with the following error:

An error occurred when loading the task sequence

The TaskSequenceProvider.log file may also show errors similar to the following:

Failed to load class properties and qualifiers for class BDD_UsePackage in task sequence. 0x80041002 (2147749890) TaskSequenceProvider
Failed to load node Use Toolkit Package from XML into WMI 0x80041002 (2147749890) TaskSequenceProvider
Failed to load children steps for node "Execute Task Sequence" from XML 0x80041002 (2147749890) TaskSequenceProvider
Failed to load children steps for node "" from XML 0x80041002 (2147749890)  TaskSequenceProvider
Failed to load XML for the task sequence into WMI 0x80041002 (2147749890) TaskSequenceProvider

Cause

This error can occur if the MDT Windows Management Instrumentation (WMI) classes are not properly registered.

Resolution

To resolve this issue, follow the steps below:

  1. Close all of your remote and local Configuration Manager admin console sessions.
  2. Log on to your Configuration Manager server, in Microsoft Deployment Toolkit, select Configure ConfigMgr Integration.
  3. In the Configure ConfigMgr Integration wizard, select Remove the MDT console extensions for System Center Configuration Manager, click Next, then click Finish.
  4. Rerun Configure ConfigMgr Integration, select Install the MDT extensions for Configuration Manager, click Next, then click Finish.

Once you do the steps, try creating the task sequence again. It should now complete successfully.

More information

This error occurs because the BDD_* WMI classes have not been correctly registered under the \root\SMS\site_<sitecode> namespace in WMI.