published site fails to load- server error 500

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I have asp.net/vb.net site which is working great on production server. But when i published it, and deploy on iis 7, it is giving me an error: server error 500, internal server error. when i click my site and in view applications there is none for this site. Surprisingly when i click Application Pools(above site) my site is listed in the pools.What might be the problem.

I tried another site that was already deployed on the iis and working good. I removed the site from iis, get its source code and published it. when i tried to deploy it am getting the same error. Is my iis ok? or it need to be repaired? how do you repair it

am running windows 7 ultimate

Posted 9-May-13 9:15am

mayeso

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ZurdoDev 9-May-13 15:24pm

Is there more to the error? Or in the event log?

mayeso 9-May-13 16:38pm

Log Name: System
Source: Microsoft-Windows-HttpEvent
Date: 5/9/2013 11:31:14 AM
Event ID: 15005
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: MAYESO
Description:
This is the log event for the internet explorer: http internal server error 500

Unable to bind to the underlying transport for [::]:80. The IP Listen-Only list may contain a reference to an interface which may not exist on this machine. The data field contains the error number.
Event Xml:

15005
0
2
0
0
0x80000000000000

271234

System
MAYESO

\Device\Http\ReqQueue
[::]:80
0000040002003000000000009D3A00C0000000000000000000000000000000000000000000000000430000C0

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Dave Kreskowiak · Answer 1 · 2013-05-09T09:35:00

Solution 1

HTTP error 500 is a general "The code failed or threw an error".

There's only about a 1,000 different ways that can fail, so we're going to need more information. Look in the servers Application Event Log to find more.

Posted 9-May-13 9:35am

Dave Kreskowiak

Comments

mayeso 9-May-13 16:38pm

Log Name: System
Source: Microsoft-Windows-HttpEvent
Date: 5/9/2013 11:31:14 AM
Event ID: 15005
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: MAYESO
Description:
This is the log event for the internet explorer: http internal server error 500

Unable to bind to the underlying transport for [::]:80. The IP Listen-Only list may contain a reference to an interface which may not exist on this machine. The data field contains the error number.
Event Xml:

15005
0
2
0
0
0x80000000000000

271234

System
MAYESO

\Device\Http\ReqQueue
[::]:80
0000040002003000000000009D3A00C0000000000000000000000000000000000000000000000000430000C0

Dave Kreskowiak 9-May-13 16:49pm

That error usually means your web server can't start the site because it can't bind to port 80. There's probably already something running listening on port 80.

mayeso 9-May-13 17:11pm

but how do i know what is running on this port. i usually assign port for each site

Dave Kreskowiak 9-May-13 17:20pm

...sigh...

Open a command prompt (Start -> Run -> CMD) then type netstat -ao. Look under the Local Address column for anything ending with ":80". The end of that line will be the process ID (PID) of the process listening on that port. You then open Task Manager, Processes tab and lookup the PID. That'll tell you the namne of the executable listening on that port.

mayeso 9-May-13 17:33pm

ok! will do that. But in the iis manager when i open it, clicking any of the working site, viewing its application there is virtual path,physical path,site and application pool. But for these sites that are having problems dont have any corresponding data for these information. Noticed one thing for working site. their application physical paths are having for example C:\site\site while those not working are having C:\site and i cant add another directory to it. are this the problem with iis

Dave Kreskowiak 9-May-13 18:53pm

If you've already got a site listening on port 80, you can't have another one. Is the Default Site already listening on port 80?? Are you trying to add your app as another site or are you trying to add it to an existing site?

mayeso 9-May-13 19:21pm

no site is on port 80, i assigned each site a unique 5 digit port. i believe this is because iis is not working good. am trying to reinstall iis will update you.