IIS 7 and Above
php write permission - COMPUTER\USERS ?
Re: php write permission - COMPUTER\USERS ?
Jan 01, 2009 08:45 PM|Andrew Zhu - MSFT|LINK
If you use authentication (Windows, Digest, Basic auth) the authenticated user is impersonated and its identity is used to write the file.
Another you can try: switch your php app pool's identity from "NetworkService" to "LocalSystem".