我在win2k8服务器上使用IIS7（这个问题在win2k8和win2k8 R2上都存在）。
我有一个启用了目录浏览的ASP.NET应用程序。 当我使用http浏览它时，我可以看到目录内容就好了。 但是，当我使用https浏览到它时 – 我得到HTTP错误503.服务不可用。
我在win2k3服务器上没有这样的问题，所以这是win2k8服务器特有的，但是什么？
EDIT1
这里是httperr1.log的内容：
#Software: Microsoft HTTP API 2.0 #Version: 1.0 #Date: 2011-04-12 08:04:38 #Fields: date time c-ip c-port s-ip s-port cs-version cs-method cs-uri sc-status s-siteid s-reason s-queuename 2011-04-12 08:04:38 172.30.2.68 55798 172.30.2.67 443 HTTP/1.1 GET /favicon.ico 404 - NotFound - 2011-04-12 08:04:38 172.30.2.68 55799 172.30.2.67 443 HTTP/1.1 GET /favicon.ico 404 - NotFound - 2011-04-12 08:04:41 172.30.2.68 55800 172.30.2.67 443 HTTP/1.1 GET /favicon.ico 404 - NotFound - 2011-04-12 08:49:46 172.30.2.68 57224 172.30.2.67 443 - - - - - Timer_ConnectionIdle - 2011-04-12 09:43:05 172.30.2.68 58571 172.30.2.67 443 HTTP/1.1 POST /CAServer/Service.svc - - Connection_Abandoned_By_ReqQueue - 2011-04-13 08:08:54 ::1%0 49591 ::1%0 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:09:43 ::1%0 49593 ::1%0 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:09:45 ::1%0 49598 ::1%0 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:09:45 ::1%0 49599 ::1%0 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:09:58 fe80::6d0f:30e:a216:df24%11 49605 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:13:14 fe80::6d0f:30e:a216:df24%11 49638 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:13:16 172.30.2.68 62531 172.30.2.67 443 HTTP/1.1 POST /CAServer/Service.svc 503 - N/A - 2011-04-13 08:14:16 fe80::6d0f:30e:a216:df24%11 49643 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:14:17 fe80::6d0f:30e:a216:df24%11 49644 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:14:17 fe80::6d0f:30e:a216:df24%11 49645 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:14:48 172.30.2.68 62645 172.30.2.67 443 HTTP/1.1 POST /CAServer/Service.svc 503 - N/A - 2011-04-13 08:15:39 fe80::6d0f:30e:a216:df24%11 49648 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer/Service.svc 503 - N/A - 2011-04-13 08:17:38 fe80::6d0f:30e:a216:df24%11 49650 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:33:14 fe80::6d0f:30e:a216:df24%11 49670 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:33:15 fe80::6d0f:30e:a216:df24%11 49671 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:33:15 fe80::6d0f:30e:a216:df24%11 49672 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:33:17 fe80::6d0f:30e:a216:df24%11 49673 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:33:17 fe80::6d0f:30e:a216:df24%11 49674 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:33:19 fe80::6d0f:30e:a216:df24%11 49675 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 08:33:19 fe80::6d0f:30e:a216:df24%11 49676 fe80::6d0f:30e:a216:df24%11 443 HTTP/1.1 GET /CAServer 503 - N/A - #Software: Microsoft HTTP API 2.0 #Version: 1.0 #Date: 2011-04-13 08:57:33 #Fields: date time c-ip c-port s-ip s-port cs-version cs-method cs-uri sc-status s-siteid s-reason s-queuename 2011-04-13 08:57:33 ::1%0 49271 ::1%0 443 HTTP/1.1 GET /CAServer 503 - N/A - 2011-04-13 14:05:33 ::1%0 49293 ::1%0 443 HTTP/1.1 GET /CAServer 503 - N/A - 标准的HTML页面是否也失败？ 我会仔细检查证书是否正确，并且在另一个站点中的绑定不是优先。
此外，如果您检查IIS日志，它将确认正确的站点正在接收请求，并且如果您检查子状态代码，它将进一步详细介绍503的详细信息。