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session_start on IIS suddently stopped working

I have my php files on an IIS 8 server.
I put a session_start on the top of the page.

My code was working fine. I moved it to a new folder. It worked for 5 minutes, and then I got this error:

Warning: session_start(): open(C:\Windows\temp\sess_69voc1ru64hq9ipmqm8llpdqn4, O_RDWR) failed: Invalid argument (22) in \\19******de.php on line 3
Success
Warning: Unknown: open(C:\Windows\temp\sess_69voc1ru64hq9ipmqm8llpdqn4, O_RDWR) failed: Invalid argument (22) in Unknown on line 0

Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (C:\Windows\temp) in Unknown on line 0

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I set up a new folder, tried it there and it worked, and then 5 minutes later it started erroring again.

what can I do to make it work?

Dave Baldwin

Normally I would think it was a permissions problem but that should show up immediately. I am suspecting that your anti-virus is deciding that what you are doing is "bad behavior" and blocking it after a little usage.

I have PHP in 'C:\PHP' so I create a 'save' directory for sessions info at 'C:\PHP\save\'. Then I edit the permissions to make sure the IUSRS... and the IUSR users have read/write permission. Then if I have to I will tell my anti-virus to stay out of that directory.

rivkamak

ASKER

The real question is that is keeps going up and down. It doesn't work, and then suddenly it will start working again,
then 1 hr later all the pages go down again.

Dave Baldwin

I think the 'real answer' is that your anti-virus is interfering. The default for "session.save_path" is blank which make PHP use the Windows 'temp' directory. Before your question, I had 4 Windows 7 computers using that without any problems. I changed that because I didn't want my session data comingled with all that other stuff.

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rivkamak

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rivkamak

ASKER

Nothing else worked