While connecting to vCenter Server Appliance with ssh command I was facing error Too many authentication failures disconnect. I checked ssh settings on the VCSA photon os from VM console but didnt find any issue.
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vCenter Server Public Key Authentication configuration SSH error received disconnect Too many authentication failures
ssh root@fqdn_or_ip VMware vCenter Server x.x.x.xxxxx Type: vCenter Server with an embedded Platform Services Controller root@fqdn_or_ip's password: Received disconnect from fqdn_or_ip port 22:2: Too many authetication failures Disconnected from fqdn_or_ip port 22
Finally to resolve this issue I created a file config under C:\Users\Profile\.ssh folder and added below entries for my vCenter Server. Specifically the IdentitiesOnly to yes. You can find the below url about ssh_config for more details.
# Read more about SSH config files: https://linux.die.net/man/5/ssh_config
Host vCenter_or_IP
Hostname vCenter_or_IP
IdentitiesOnly yes
Next when you try to connect through ssh.exe command use additional parameter -o PubkeyAuthentication=no. As you can see login is successful.
ssh -o PubkeyAuthentication=no root@fqdn_or_ip VMware vCenter Server x.x.x.xxxxx Type: vCenter Server with an embedded Platform Services Controller root@fqdn_or_ip's password: Connected to service * List APIs: "help api list" * List Plugins: "help pi list" * Launch BASH: "shell" Command> shell Shell access is granted to root
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