%windir%\system32\inetsrv\appcmd set config -section:requestFiltering -requestLimits.maxAllowedContentLength:999999999
打开php.ini 修改配置文件，查找以下三个地方upload_max_filesize，memory_limit，post_max_size，将其值修改为大于要导入的数据库大小的值，重启IIS，这样就可以导入大于2M的数据库文件了。
HTTP Error 500.0 - Internal Server ErrorE:\Program Files\java\php\php-cgi.exe - The FastCGI process exceeded configured request timeout
IIS7.5：Activity Timeout can be set from the IIS Manager (Under the server/IIS/FastCGI Settings/Edit)