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• 10-03-2007, 6:19 PM

  userZ Joined on 10-03-2007, 10:05 PM Posts 5

  weird & Intermittent error on any ASP page IIS Reply Contact Hi, Thanks for reading, first post here. On a ASP page get Intermittent error (IIS 5). The page is known good* code with standard login (usernm, pasword ) & works for most of users. Just some users get error HTTP Error 500 with: Overlapped I/O operation is in progress There's nothing in Event log or DCOM errors. Any ideas of where the problem could be ??? Is it even IIS ? Thanks !

  Tags: headersIISASP Classichttp errors

• 10-03-2007, 10:51 PM

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  qbernard Joined on 03-26-2003, 2:12 AM Malaysia Posts 3,195	Re: weird & Intermittent error on any ASP page IIS Reply Contact Nothing in event log ? I'm sure you will find some entries there, if not..... zzzzz... can't even think of one reason for if not. Cheers, Bernard Cheah

• 10-04-2007, 8:33 AM

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  tomkmvp Joined on 03-20-2003, 6:27 AM Central NJ Posts 6,189	Re: weird & Intermittent error on any ASP page IIS Reply Contact Anything relevant here? http://www.google.com/search?sourceid=navclient&aq=t&ie=UTF-8&rls=GGLG,GGLG:2006-01,GGLG:en&q=iis+Overlapped+I%2fO+operation+is+in+progress Tom Kaminski IIS MVP http://mvp.support.microsoft.com/ http://blogs.iis.net/tomkmvp/ http://www.linkedin.com/pub/8/690/408 http://www.bluesrepublic.org/

• 10-04-2007, 9:08 AM

  In reply to

  userZ Joined on 10-03-2007, 10:05 PM Posts 5	Re: weird & Intermittent error on any ASP page IIS Reply Contact  thanks qbernard & tomkmvp I've looked at both App & Syst. log. No mention of DCOM or ASP. Could it be under anything else ? Yes, I've looked (alot :) google's results and didn't see anything relevant

• 10-04-2007, 9:26 AM

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  userZ Joined on 10-03-2007, 10:05 PM Posts 5	Re: weird & Intermittent error on any ASP page IIS Reply Contact Update: The only thing the shared with MSKB article '297989'  http://tinyurl.com/6ke24 is the ERROR HTTP 500 - Internal server error or Overlapped I/O operation is in progress Puzzling that this happens only to some users ? & for them, the SAME page works fine if its https: vs http:

• 10-04-2007, 10:58 PM

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  steve schofield Joined on 06-10-2002, 8:54 PM MI Posts 3,908

  Re: weird & Intermittent error on any ASP page IIS Reply Contact When odd things like this happen.  I turn on auditing, run filemon on the server / machine to see what exactly is being accessed.  This can help provide clues or help provide some first steps. Steve Schofield Windows Server MVP - IIS http://weblogs.asp.net/steveschofield http://www.IISLogs.com Log archival solution Install, Configure, Forget

• 10-05-2007, 2:19 AM

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  qbernard Joined on 03-26-2003, 2:12 AM Malaysia Posts 3,195	Re: weird & Intermittent error on any ASP page IIS Reply Contact ya. interesting.. only some users and works for https but not http? Any custom isapi installed ? proxy server in between ?? ?? and i still don't believe no event log :) you looking at the correct machine ? kekeke. Cheers, Bernard Cheah

• 10-09-2007, 6:47 PM

  In reply to

  userZ Joined on 10-03-2007, 10:05 PM Posts 5	Re: weird & Intermittent error on any ASP page IIS Reply Contact Thanks for the ideas. One user's network does have a ISA Server that was updated BEFORE the problem began. So looking there. Nope nothing in event log. & trust me I've looked & looked & ...

• 10-09-2007, 9:35 PM

  In reply to

  steve schofield Joined on 06-10-2002, 8:54 PM MI Posts 3,908

  Re: weird & Intermittent error on any ASP page IIS Reply Contact Is there any type of application logic that would validate the user and / or the location where they are coming from?  Until you can reproduce the issue, it is hard to provide some advice. Steve Schofield Windows Server MVP - IIS http://weblogs.asp.net/steveschofield http://www.IISLogs.com Log archival solution Install, Configure, Forget

• 10-10-2007, 12:18 AM

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  qbernard Joined on 03-26-2003, 2:12 AM Malaysia Posts 3,195	Re: weird & Intermittent error on any ASP page IIS Reply Contact Can you confirm this ? >> ya. interesting.. only some users and works for https but not http? Any custom isapi installed ? proxy server in between ?? ?? <<     Cheers, Bernard Cheah

• 10-10-2007, 6:30 PM

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  userZ Joined on 10-03-2007, 10:05 PM Posts 5	Re: weird & Intermittent error on any ASP page IIS Reply Contact @qbernard yes ISA proxy server on user end that they are investigating. I'm waiting on results. Do you mean ISAPI on my or user's end ? @steve No location specific logic in code in ASP pages . Where else would it be in IIS ? thanks,

• 10-10-2007, 11:14 PM

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  qbernard Joined on 03-26-2003, 2:12 AM Malaysia Posts 3,195	Re: weird & Intermittent error on any ASP page IIS Reply Contact That would be on server end. Another question - can you confirm that the page can be visit via https but not http? all users or few ? any more related event log?   Cheers, Bernard Cheah