Dirk. A couple things to try.

1. diff -Naur the sshd_config and other files on a working server vs.
non-working.
2. Set LogLevel DEBUG in sshd_config and tail -f your log file on a
working and non-working server. This loglevel will produce a ton of
information, hopefully some clues will exist within.
3. Run ssh client with -v param to produce verbose messages from the
CLIENT side as well.

On 4/19/07, Dirk H. Schulz <[EMAIL PROTECTED]> wrote:
Hi folks,

we have a very weird phenomenon:

On two of our RedHat EL4 Update 4 servers root cannot login via ssh using
public keys. All other users can. root is asked for a password instead.

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