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oma not working

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  • oma not working

    Hi- Win2K3 w/ Exchange 2K3 - try to open OMA and get a blank page with event log showing the following 1503 error.

    An unknown error occurred while processing the current request:
    Message: Type 'OmaAdapters.OmaXhtmlMultiLineTextBoxAdapter,Micro soft.Exchange.OMA.UserInterface' used as adapter not found. (D:\Program Files\Exchsrvr\OMA\Browse\web.config line 102)
    Source: System.Web
    Stack trace:
    at System.Web.Configuration.HttpConfigurationRecord.E valuate(String configKey, SectionRecord section)
    at System.Web.Configuration.HttpConfigurationRecord.G etConfig(String configKey, Boolean cacheResult)
    at System.Web.Configuration.HttpConfigurationRecord.G etConfig(String configKey, Boolean cacheResult)
    at System.Web.HttpContext.GetConfig(String name)
    at System.Web.UI.MobileControls.ControlsConfig.GetFro mContext(HttpContext context)
    at System.Web.UI.MobileControls.MobilePage.get_Reques tingDeviceConfig()
    at System.Web.UI.MobileControls.MobilePage.get_Adapte r()
    at System.Web.UI.MobileControls.MobilePage.OnUnload(E ventArgs e)
    at System.Web.UI.Control.UnloadRecursive(Boolean dispose)
    at System.Web.UI.Page.ProcessRequestCleanup()
    at System.Web.UI.Page.ProcessRequest()
    at System.Web.UI.Page.ProcessRequest(HttpContext context)
    at System.Web.CallHandlerExecutionStep.System.Web.Htt pApplication+IExecutionStep.Execute()
    at System.Web.HttpApplication.ExecuteStep(IExecutionS tep step, Boolean& completedSynchronously)

    Any ideas?

  • #2
    Re: oma not working

    Silly question but did you enable OMA in the first place? Did it ever work? One server? Front-End?

    We need info.

    Daniel Petri
    Microsoft Most Valuable Professional - Active Directory Directory Services


    • #3
      Re: oma not working

      Sorry, more info - never did work. OMA is enabled. RPC over HTTPS works fine. This is a single exchange box setup - RPC-HTTP back-end server. Also, followed your instructions for creating a secure OMA virtual directory. The server has it's own ssl cert which works fine.


      • #4
        Re: oma not working

        Using Internet Explorer on your desktop (not on the server or handheld), turn off Show Friendly HTTP error messages in the options.
        Then browse to OMA. It should throw an error in the browser window. What does that error say?

        As you are using SSL, make sure that you do NOT have require SSL enabled on either /exchange, /oma or /microsoft-server-activesync virtual directories. That doesn't stop you from using SSL, just stops you from forcing the SSL connection.

        Simon Butler
        Exchange MVP

        More Exchange Content:
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        In the UK? Hire me:

        Sembee is a registered trademark, used here with permission.


        • #5
          Re: oma not working

          IE gives me just a blank page - no errors and a URL string that reads: https://nts1.*********.com/oma/(nren...peqg)/oma.aspx.


          • #6
            Re: oma not working

            Fixed this! I ran the .net 1.1 update again (per another post on this site) and it resolved the problem. Thanks.