Have you checked to see if the scheduler is running on the hosts that fail?
Do a `ps -elf | grep dsm` and look for "/usr/lpp/adsm/bin/dsmc sched".  If
its running, review the dsmsched.log and dsmerror.log on the failing host.

On Tue, 29 Dec 1998, WaiMeng Lee wrote:

> Hi,
>
> I'm supporting more than 10 RS/6000 AIX boxes. I have configured a schedule
> in ADSM server to do incremental FS backup on all these boxes everyday. The
> incremental backup is started by dsmc process on all the boxes.Some of these
> backups always fail with error message
>
>     ANS4017E Session rejected: TCP/IP connection failure
>
> Anybody has any idea?
>
> Regards,
>
> Wai Meng, Lee
> Shell Services International
> SSI SAP CoE Kuala Lumpur
>
> *+60 3 251 3760 (O)  +60 3 251 2182 (F)
> *wai-meng.w.m.lee AT ssi.shell.com DOT my
>