CMS cannot authenticate with managed node

[Alex Lavrov.]

Hello,
I installed like 10 managed systems, all HPUX 11.11, with SSH installed on them.

The problem is, that some of them can not authenticate with CMS.
On CMS I run mxagentconfig -g, enter hostname, root and password and it says that the host was successfully connected. Indeed, in root home ~root/.ssh/ direcotry, I can see that file "authorized_keys2" was created, just like on other working systems, but every task I try to run on it fails with java exception (cannot authenticate) and in the syslog of the managed system I see:
sshd[20442]: fatal: Timeout before authentication for 172.22.13.100 (<- that's my CMS server, which is LInux Redhat AS3.00).

Anything I can do to six it?

Thanx in advance.