Skip to main content
NetApp Knowledge Base

Unable to reach Mediator error when trying to add it to MetroCluster system

Last Updated:

Applies to

  • ONTAP 9
  • MetroCluster IP
  • ONTAP Mediator


  • When attempting to add ONTAP Mediator to a MetroCluster system error is reported:

ClusterA::> metrocluster configuration-settings mediator add -mediator-address
Adding the mediator and enabling Automatic Unplanned Switchover. It may take a few minutes to complete.
Please enter the username for the mediator: mediatoradmin
Please enter the password for the mediator:
Confirm the mediator password:
Creating mediator mailboxes...

Error: command failed: The request to reach the mediator failed during the add operation. Check if the mediator is reachable and then try the operation again.

  • In /var/log/messages on the Linux host side we see duplicate target errors reported: 

    iscsi-scstd[990799]: duplicated target

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.