Host is not accessible

[caballero]

I have 2 dedicated servers both running CentOS 5.3 and Plesk 10.0.0.

I'm trying to migrate stuff from one to the other but it's not happening, just after I fill out "Migration settings" and press "Next" I get "Host xx.xx.xx.xx is not accessible"

What I've done so far that didn't have any effect whatsoever:

stopped the firewall on the source server
enabled "PermitRootLogin yes" in /etc/ssh/sshd_config
and restarted the service

Any ideas?

UPDATE: I was able to initiate the migration from the new server (which is blank) to an old one (I need vice versa), so there's definitely something relating settings.

I pulled out a log file, and this is the place where everything fails:



23117: 2011-08-22 16:34:22,949 INFO Executing <subprocess[23118] '/usr/local/psa/admin/bin/launchpad --send-scout --host=XX.XXX.XXX.XXX --login=root --session-path=/usr/local/psa/PMM/msessions/2011082216342281'>
23117: 2011-08-22 16:34:32,983 INFO Subprocess raised ExecuteException: Subprocess <subprocess[23118] '/usr/local/psa/admin/bin/launchpad --send-scout --host=XX.XXX.XXX.XXX --login=root --session-path=/usr/local/psa/PMM/msessions/2011082216342281'> was finished with exit code 10
== STDOUT ====================

== STDERR ====================
Cannot send scout to the remote host
23117: 2011-08-22 16:34:32,983 ERROR Subprocess <subprocess[23118] '/usr/local/psa/admin/bin/launchpad --send-scout --host=XX.XXX.XXX.XXX --login=root --session-path=/usr/local/psa/PMM/msessions/2011082216342281'> was finished with exit code 10
== STDOUT ====================

== STDERR ====================
Cannot send scout to the remote host
23117: 2011-08-22 16:34:32,983 INFO Outgoing packet:
<?xml version="1.0" encoding="UTF-8"?>
<response>
<errcode>130</errcode>
<errmsg>Host XX.XXX.XXX.XXX is not accessible</errmsg>
</response>

 

[IgorG]

These errors means that migration manager failed upload agent to the remote server or the connection with the remote server was lost. Migration Manager uses SSH protocol for uploading of migration agents to source server and dump files retrieving. Make sure that:

- SSH server is running and SSH (22) port is opened on the source server (you are performing the migration from),
- SSH server on the source server allows connecting it with SSH version 2 protocol,
- you are able to login from destination server to the source one via SSH under the user you specified during the migration. Also check that you can transfer a file from the source server to the destination Plesk server with scp command.