When trying to restore files from a Veeam appliance to the original location using Other OS restore, the following error is received: "The negotiation of encryption algorithm is failed"
Between Linux flavors, certain Ciphers may be enabled or disabled by default or by local policy.
Install the latest update for Veeam Backup and Replication. This enables aes128-ctr, aes192-ctr, aes256-ctr, aes192-cbc and aes256-cbc in addition to the already existing 3des-cbc, blowfish-cbc, and aes128-cbc.
A more secure Ciphers line would be:
6.x and 7.x:
Make sure that at least one of the following algorithms are included on your Ciphers line:
Please be aware that we’re making changes which will restrict access to product updates for users without an active contract.