printing on IIS7

Hi,   I have migrated a php site from Linux to windows. The only remaining problem seems to be printing, naturally I have had to change the code and that's where the problems have started. I have the following very simple code:  <?php     $txt = "Hello World"; $handle = printer_open("DELL3115"); printer_write($handle, $txt); printer_close($handle); ?> When I run this from the command prompt using php -f ..... It works fine, in other words it prints, when I run this script through the web browser then I get this: Fatal error: Out of memory (allocated 262144) (tried to allocate 4294967295 bytes) in C:\inetpub\wwwroot\testprn.php on line 4 I have read this article: http://support.microsoft.com/?kbid=184291 and many others, which all lead me to believe that it is an account / permission problem. On a side note:  $handle = printer_open("non-existing-printer"); gives me a normal error in the sense of "can't find printer". I run Windows 2008 64 bit, IIS7, php 5.2 32 bit ( I have enabled 32 bit apps in IIS and the rest of the site works fine), using FastCGI. Has anyone got any ideas? Thanks, Paul Giesberts IT & QA Manager ------------------------------------------------------------- Servicecare Manchester Road Oldham OL9 7AA ------------------------------------------------------------- DDI: ++44-161-6881985 Tel: ++44-161-6881999 Fax: ++44-161-6881998 email: p.giesberts@servicecare.co.uk