If you want to find some methods to fix the issue, you might read this post fromMiniTool.
Here are some feasible fixes.
Now, lets see how to fix the SSH _exchange_identification issue.
What are the differences between SSHD and SSD?
Which one is better for your PC or laptop?
This post provides some information on SSHD vs SSD.
Maybe, you dont know the maximum number of SSH sessions and you exceed it.
Then, you might give a shot to reset the old session and reconnect to the server.
you might run thewhocommand to view the logged-in user process.
You should only see one or two users logged in.
Now, see if the SSH_exchange_identification: connection closed by remote host issue has been fixed.
If not, try the next methods.
If you have installed these files manually, this issue is most likely to happen.
you gotta attempt to delete the server-side fingerprint in the~/.ssh/known_hostsclient and hit it one more time.
When reconnecting, you will be prompted to accept the host identity.
Just accept and continue.
you could make a run at increase the number of connections that SSHD can run to solve the problem.
Now, the SSH_exchange_identification: connection closed by remote host issue should be fixed.
If you come across the same error, try these solutions.
