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• 02-12-2009, 6:45 PM

  tclc Joined on 02-12-2009, 10:21 PM Posts 5

  HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Hi I've been searching through the forums and came across many posts similar to the problem I am experiencing but none of the suggestions have got me any closer to getting this fixed. I'm far from an IIS expert so am begging for some help on this. We have a somewhat relatively clean install of Exchange 2007 on Windows Server 2008. Everything was working at one stage. Now after a colleague tried to do *something*, OWA is broken. I'm not too sure what was tried but would love to get this working again. The following are the errors I get: When trying to load OWA:   Failed Request Tracing Log shows:    I hope someone can please help, need this working for obvious reasons. Any help/suggestions is greatly appreciated.   Kind Regards Tristan

  Tags: phpIIS7500iiserrorserverwindows server 2008Internal error

• 02-13-2009, 12:41 PM

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  anilr Joined on 05-23-2006, 10:13 PM Redmond, WA Posts 2,343	Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact You need to unlock the handlers section so it can be used in web.config file. %windir%\system32\inetsrv\appcmd.exe unlock config -section:system.webServer/handlers Anil Ruia Senior Software Design Engineer IIS Core Server

• 02-15-2009, 5:34 PM

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  tclc Joined on 02-12-2009, 10:21 PM Posts 5

  Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Thank you Anil for your help. I had spotted that suggestion before and did try it. I get a response on the command line of: "Unlocked section "system.webServer/handlers" at configuration path "MACHINE/WEBROOT/APPHOST"."  Then, when trying to load OWA it still comes up with the exact same error.

• 02-16-2009, 12:27 PM

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  anilr Joined on 05-23-2006, 10:13 PM Redmond, WA Posts 2,343

  Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact This means that you have the handlers section locked at a lower level ("Default Web Site" or "Default Web Site/exchange").  Try %windir%\system32\inetsrv\appcmd.exe unlock config "Default Web Site/exchange" -section:handlers -commitpath:apphost Anil Ruia Senior Software Design Engineer IIS Core Server

• 02-16-2009, 5:20 PM

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  tclc Joined on 02-12-2009, 10:21 PM Posts 5

  Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Hi Anil Looks like I'm getting the same result. Even tried the same for "Default Web Site/owa", nothing changed... Could there be incorrect permissions set somewhere also?   Edit:Correction, there was something that changed. In the first image in my original post, where it says "Config Source" - now states:  <handlers accessPolicy="Read, Script">

• 02-19-2009, 5:30 AM

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  Andrew Zhu - MSFT Joined on 08-25-2008, 3:37 AM Microsoft,ShangHai,China Posts 369

  Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Hi, 500.19 indicates configuration data is invalid,Check this KB http://support.microsoft.com/kb/942055/ Regards Sincerely Microsoft Online Community Support Andrew Zhu - MSFT “Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. ”

• 03-12-2009, 7:37 PM

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  tom88 Joined on 03-12-2009, 10:08 PM Posts 2

  Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Saw you many times on the Forums. I first use IIS7 with VS2008. Here is the error: HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid. Module IIS Web Core Notification BeginRequest Handler Not yet determined Error Code 0x80070021 Config Error This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false". Config File \\?\C:\MyProgramFiles\ASPNET\Project1\WebApplication1\WebApplication1\web.config   Requested URL http://localhost:80/WebApp1 Physical Path C:\MyProgramFiles\ASPNET\Project1\WebApplication1\WebApplication1 Logon Method Not yet determined Logon User Not yet determined Can anyone give me help? Thanks

• 03-12-2009, 7:47 PM

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  tom88 Joined on 03-12-2009, 10:08 PM Posts 2	Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Hi, Could you tell me how did you past this image (by press the key "Prt Sc Sys Rq")  into this Message box? Thanks

• 03-12-2009, 11:42 PM

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  Andrew Zhu - MSFT Joined on 08-25-2008, 3:37 AM Microsoft,ShangHai,China Posts 369

  Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact HI,Tom About the error, could you build your website successfully? have you checked the kb? About inserting screen shot into forum post: Upload the image to a website or your blog or anywhere in the net could be accessed by URL, then, press insert image icon in the message input box icon bar to insert a image. Regards   Sincerely Microsoft Online Community Support Andrew Zhu - MSFT “Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. ”

• 03-13-2009, 6:52 AM

  In reply to

  tclc Joined on 02-12-2009, 10:21 PM Posts 5

  Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Sorry it's been so long writing back about this issue. Unfortunately time got away from me and needed to get OWA working again so basically just installed the CAS role on another server. I then went over both configuration files, with a fine tooth comb and noticed there were quite a few differences. In the end though I couldn't really afford to spend too much more time on it so have left it working as is and will hopefully be able to return to it one day... Thanks for all the assistance.

• 04-06-2009, 8:56 AM

  In reply to

  Marco Ling Joined on 04-06-2009, 12:36 PM Posts 1

  Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Hi tclc, I had the exact problem in my IIS7.0 in Vista today, I had tried the AppCmd.exe unlock methods and no luck. I first removed the <Clear/> tag within the <Modules /> node in the web.config file of the wwwRoot, which is the config file of my Default Web Site. It then complained that there was a duplication of Module in the <Modules /> node. In your case, it should be the <Handlers/> Tag, instead of my <Modules/> one. I ended up removing all the child tags in the <Modules></Modules>  Now it is working 100% as it will inherit from the parent config (ApplicationHost.config). Understood that you problem was resolved. For anyone having a similar problem, back up the web.config file and give it a go. Regards,

• 04-06-2009, 6:55 PM

  In reply to

  tclc Joined on 02-12-2009, 10:21 PM Posts 5	Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Wow, absolute genious. This fixed it! How did you narrow it down? Was there any cause that sent yours haywire?   I greatly appreciate your time in posting this, wonderful job!!   Thanks

• 06-24-2009, 5:57 AM

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  John Brett Joined on 06-24-2009, 9:53 AM Posts 1	Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Thanks Anilr, this solved my problem. John
  	Tags: IIS7Windows 2008 Server500HTTP Error 500.19 - Internal Server Error64bitError 500.21IIS 7.0 Problem64-bitwindows 2008

• 08-26-2009, 9:40 AM

  In reply to

  NetSupport Joined on 08-26-2009, 1:37 PM Posts 1

  Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact Hi Anil, I get the same error when accessing a local site on my 2008 server, with IIS 7: Module IIS Web Core Notification BeginRequest Handler Not yet determined Error Code 0x80070021 Config Error This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false". Config File \\?\C:\Program Files\CRYPTOCard\BlackShield ID\BlackShield Site\Console\web.config I tried your suggestions, but it does not seem to work. What do I do wrong?

  Tags: HTTP Error 500.19 - Internal Server Erroriis 7

• 08-26-2009, 1:13 PM

  In reply to

  anilr Joined on 05-23-2006, 10:13 PM Redmond, WA Posts 2,343

  Re: HTTP Error 500.19 - Internal Server Error, 0x80070021, Lock Violation with OWA, Exchange 2007 Reply Contact There is probably a few more lines in that error response which points to the exact line in the config file (and hence the section) with the problem - you will either have to unlock that section or not use it in your web.config file. Anil Ruia Senior Software Design Engineer IIS Core Server