"Object reference not set to an instance of an object" error when you run the Hybrid Configuration wizard

PROBLEM

When you run the Hybrid Configuration wizard, you receive the following error message:
ERROR: Updating hybrid configuration failed with error 'Subtask CheckPrereqs execution failed: Creating Organization Relationships.

Object reference not set to an instance of an object.

CAUSE

The hybrid object is missing from the Active Directory domain. For example, this can occur if the object was deleted.

SOLUTION

To resolve this issue, use one of the following methods.

Method 1: Rerun "setup /prepareAD"

  1. On the server that is running Microsoft Exchange Server, open a Command Prompt window as an administrator, and then change to the folder in which the Exchange installation files are stored.
  2. Run the following command:
    setup /prepareAD 
  3. Restart the server.
  4. Rerun the Hybrid Configuration wizard.

Method 2: Perform an authoritative restore of the hybrid object

Restore the hybrid object that was deleted from the following location:
CN=Configuration,DC=<DOMAIN>,DC=<COM>,CN=Services,CN=Microsoft Exchange,CN=<ORGANIZATIONAME>,CN=Hybrid Configuration
For more information about how to do this, see Performing Authoritative Restore of Active Directory Objects.

MORE INFORMATION

If you experience issues with the Hybrid Configuration wizard, you can run the Exchange Hybrid Configuration Diagnostic. This diagnostic is an automated troubleshooting experience. Run it on the same server on which the Hybrid Configuration wizard failed. Doing this collects the Hybrid Configuration wizard logs and parses them for you. If you're experiencing a known issue, a message is displayed that tells you what went wrong. The message includes a link to an article that contains the solution. Currently, the diagnostic is supported only in Internet Explorer.

Still need help? Go to Microsoft Community or the Exchange TechNet Forums.
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Artikel-id: 3067696 - Laatst bijgewerkt: 21 dec. 2016 - Revisie: 1

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