note 35551 deleted from ref.mssql by sniper

Note Submitter: ashearer@shearersoftware.com ---- Beware enabling this extension without installing a new copy of ntwdblib.dll, even if it seems to work. Drag-installing SQL Server 2000's copy of ntwdblib.dll (with a date in the year 2000, replacing an existing 1998 version) solved a performance problem. I had noticed a slight slowdown of simple PHP pages, and it turned out that just having the php_mssql extension enabled in php.ini was adding 0.5 seconds to each page load. Even "Hello world!" always stuttered for half a second. (Reproduced on two different Windows 2000 servers with IIS 5, under both CGI and FastCGI, PHP 4.3.2 and 4.3.3.) Updating ntwdblib.dll fixed both servers.