Unable to login - Error -ssh_exchange_identification: Connection closed by remote host

I am unable to login aix server failing with following Error.

ssh maghenth@XXXXXX
ssh_exchange_identification: Connection closed by remote host

When I am trying to access server via console unable to get authentication session hanging with below session. Any glue what is the issue?

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rammaghentharAsked:
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arnoldCommented:
The issue is likely that the protocol your ssh client is using does not match the one used on the server, r the connection method allowed is not what is being attempted. Run ssh -vvvv username@host and see where the break occurs.
I.e. the server is configured to only allow key based or certificate based authentication, while your attempt is to use username/password interactive login.
The debug connection attempt referenced above will shed light on what the issue could be.
This is a general statement applicable to ssh and should translate similarly through aid platform as it would apply to other unix/Linux platforms with which I am more familiar.
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rammaghentharAuthor Commented:
I want to add this question with IBM AIX Unix Topics but Unable to add please help to add it
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