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Before this article's update in 2025, this article contained information about "Creating a VMware ESXi extension (VIB) for Veeam Backup from Storage Snapshot with Cisco HyperFlex IOvisor processing." Those directions were removed as the VIB extension only needed to be created for CiscoHX 2.0 and older, versions that are no longer supported by Veeam Backup & Replication 11 or higher.
The article now documents an error that may occur if that VIB extension is still present when attempting to change the security mode of an ESXi host from 'Legacy' to 'Secure Boot'.
When attempting to change an ESXi host's security mode from 'Legacy' to 'Secure Boot', the following error occurs:
esxupdate: 2101432: root: ERROR: vmware.esximage.Errors.AcceptanceConfigError: Unable to set acceptance level of partner due to installed VIBs Veeam_bootbank_VeeamCiscoHXFirewall_1.1.0-0.0.1 having a lower acceptance level.
When using Cisco HX 3.0 or higher, removing the old VIB extension package is recommended to avoid these issues.
Note: Removing it is safe, but before doing so, we recommend checking that the scope of available IP addresses in the new rule (NFSAccess) matches the one that is expected. (vSphere Web Client > Host Config > Security Profile > Edit > NFS access)
If this KB article did not resolve your issue or you need further assistance with Veeam software, please create a Veeam Support Case.
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