Configure PHP.INI settings for a Windows based server | Kayako Community Forums:
safe_mode = Off ;not everything works with safe mode
max_execution_time = 300 ; Maximum execution time of each script, in seconds
max_input_time = 120 ; Maximum amount of time each script may spend parsing request data
memory_limit = 8M ; Maximum amount of memory a script may consume (8MB)
error_reporting = E_ALL & ~E_NOTICE ;Normal operating mode. Set to E_ALL if you need to debug
display_errors = OFF ;Normal operating mode. Set to ON only if you need to debug.
display_startup_errors = OFF ;Normal operating mode. Set to ON only if you need to debug.
log_errors = On
error_log = C:\TEMP\PHP.LOG ;I write errors to a log file. This file MUST be in a folder writeable from all websites.
post_max_size = 32M ;Max size of messages and files that can be posted by PHP in Meg.
extension_dir = "C:\PHP" ;Assuming you have copied your extensions into C:\PHP like I told you to
cgi.force_redirect = 0 ;Must be turned off for IIS.
file_uploads = On ;If you want users to be able to upload files using PHP scripts.
upload_tmp_dir = "C:\TEMP" ;Path must be in a folder writeable from all websites.
upload_max_filesize = 32M ;Max file size that can be uploaded.
register_globals = On
session.bug_compat_42 = 1
session.gc_probability = 1
session.gc_divisor = 100
session.gc_maxlifetime = 1440
session.save_path = c:\temp ;note this path will be different if you are on a linux box
session.bug_compat_warn = 1
session.save_handler = files
session.use_cookies = 1