Unable fork any new process

Hello Experts ,
We faced major issue on our production server and after reboot server came to normal operation.
The issue is Solaris unable fork any new process, whatever the command we gave and got "fork: Unable to fork new process".
We need answer for below
1) How Solaris reach maximum no. of process.
2) is there any way to prevent in future incidents (like tuning operating system to allow maximum process limit)
3) How to know no. of process handling by Solaris at a given time.
4) How to know the configuration of Solaris Maximum process.
We are waiting for your reply.
Thanks in advance.
Regards,
Rajesh.

Hi
In order to answer this sort of question, I suggest that you either get on a Solaris admin training course, or at least get hold of and read "Solaris Internals".
The machine might be short on VM, as well as having too many processes running.
Use ps to see the number of processes running.
IIRC Solaris 10 has far fewer tunables than previous versions.
Paul

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    You don't, by any chance, store your client variables in the registry do you?  The only time I've seen this happen is when the CF box is munging the OS environment, and the only way I can think this could happen if it was clogging the registry.  Never store client variables in the registry.
    Adam

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