近下面五步走，成功率为100%。

1. 下载ISAPI_Rewrite http://www.isapirewrite.com/download/isapi_rwl_0049.msi，并安装之。
2. 更改rewrite 规则
3. 添加ISAPI筛选器
4. 重启IIS
5. 后台设置启用URL 静态化

附：discuz rewrite 规则

[ISAPI_Rewrite]

 # 3600 = 1 hour
 CacheClockRate 3600

 RepeatLimit 32

 # Protect httpd.ini and httpd.parse.errors files
 # from accessing through HTTP
 RewriteRule ^/home/(space|network)-(.+)\.html$ /home/$1\.php\?rewrite=$2 [L]
 RewriteRule ^/home/(space|network)\.html$ /home/$1\.php [L]
 RewriteRule ^/home/([0-9]+)$ /home/space\.php\?uid=$1 [L]

 RewriteRule ^(.*)/archiver/((fid|tid)-[\w\-]+\.html)\?*(.*)$ $1/archiver/index\.php\?$2&$4
 RewriteRule ^(.*)/forum-([0-9]+)-([0-9]+)\.html\?*(.*)$ $1/forumdisplay\.php\?fid=$2&page=$3&$4
 RewriteRule ^(.*)/thread-([0-9]+)-([0-9]+)-([0-9]+)\.html\?*(.*)$ $1/viewthread\.php\?tid=$2&extra=page\%3D$4&page=$3&$4
 RewriteRule ^(.*)/space-(username|uid)-(.+)\.html\?*(.*)$ $1/space\.php\?$2=$3&$4
 RewriteRule ^(.*)/tag-(.+)\.html\?*(.*)$ $1/tag\.php\?name=$2&$3

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文章标题：windows discuz rewrite httpd.ini配置

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