"HCW8018 The external IP addresses on the Hybrid Configuration Active Directory object were not properly cleared" error when you run the Hybrid Configuration wizard

PROBLEM
When you run the Hybrid Configuration wizard, you receive the following error message:

HCW8018 The external IP addresses on the Hybrid Configuration Active Directory object were not properly cleared during the upgrade of the hybrid configuration.
SOLUTION
To resolve this problem, follow these steps:

  1. Open the Exchange Management Shell.
  2. Run the following command to clear the external IP addresses from the hybrid configuration:
    Get-HybridConfiguration | Set-HybridConfiguration -ExternalIPAddresses $null
  3. Run the Hybrid Configuration wizard again.
MORE INFORMATION
Still need help? Go to the Office 365 Community website or the Exchange TechNet Forums.
Properties

Article ID: 3087163 - Last Review: 08/25/2015 16:46:00 - Revision: 3.0

Microsoft Exchange Online, Microsoft Exchange Server 2013 Enterprise, Microsoft Exchange Server 2013 Standard

  • o365022013 o365 o365a o365e o365m hybrid hcw8018 KB3087163
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