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Console Connection to Veeam Software Appliance Unstable When IPv6 is Disabled

KB ID: 4755
Product: Veeam Backup & Replication | 13
Published: 2025-09-03
Last Modified: 2025-09-03
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Challenge

When IPv6 has been disabled in the Veeam Host Management Console settings, actions within the Veeam Backup & Replication Console on a remote machine may be slow to initiate or fail if IPv6 has not also been disabled in the Console settings.

Cause

This issue occurs when the IPv6 configuration has been set to Disabled within the Veeam Host Management Console, and the IPv6 setting is not disabled within the remote Veeam Backup & Replication Console.

As noted in the Host Management Console UI:

"Make sure to disable IPv6 preference in the Backup Console under Network Traffic Rules."
Screenshot host management console settings.

Solution

If the IPv6 configuration has been set to Disabled within the Veeam Host Management Console, you must ensure that all remote Veeam Backup & Replication Console's are also configured to have IPv6 disabled.
Screenshot of Veeam Backup & Replication Console Network Settings

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