Im not an expert in communications, but It looks like you need to
increase your TCPIP buffers, I think this is done to the TCPWindowsize
in the Server Options. Also, do you have plenty of memory on the server.

Marita Gonsalves wrote:
>
> ANR9999D tcpcomm.c(373): No buffer space is available. The socket cannot
> be connected.
>
> Has anyone seen this message before?  All the nodes in the backup
> schedule did not get backed up - they have a status of "missed."  I can
> run a manual backup, however.  Any help would be appreciated.
>
> Marita Gonsalves