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laurin1Flag for United States of America

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Outlook Mobile Access - Blank Screen

OMA worked fine in the past, but now, I can log in, but I just get a blan page and the URL is changed to something weird like:

https://mail/oma/(55rics3mjuizke45b34ex045)/oma.aspx

Also, the Event Log has this event whenever I try to log on:

Event Type:      Error
Event Source:      MSExchangeOMA
Event Category:      (1000)
Event ID:      1503
Date:            3/23/2008
Time:            5:09:17 PM
User:            N/A
Computer:      DC01
Description:
An unknown error occurred while processing the current request:
Message: Type 'OmaAdapters.OmaXhtmlMultiLineTextBoxAdapter,Microsoft.Exchange.OMA.UserInterface' used as adapter not found. (D:\Exchsrvr\OMA\Browse\web.config line 101)
Source: System.Web
Stack trace:
   at System.Web.Configuration.HttpConfigurationRecord.Evaluate(String configKey, SectionRecord section)
   at System.Web.Configuration.HttpConfigurationRecord.GetConfig(String configKey, Boolean cacheResult)
   at System.Web.Configuration.HttpConfigurationRecord.GetConfig(String configKey, Boolean cacheResult)
   at System.Web.HttpContext.GetConfig(String name)
   at System.Web.UI.MobileControls.ControlsConfig.GetFromContext(HttpContext context)
   at System.Web.UI.MobileControls.MobilePage.get_RequestingDeviceConfig()
   at System.Web.UI.MobileControls.MobilePage.get_Adapter()
   at System.Web.UI.MobileControls.MobilePage.OnUnload(EventArgs 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.HttpApplication+IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)


For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Avatar of Stacy Spear
Stacy Spear
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Have you restarted the server? That usually fixes issues with adapters not being found.
Avatar of laurin1

ASKER

Yes. I found that others have had the same info, but no resolution has been found:

https://www.experts-exchange.com/questions/22751189/OMA-displaying-a-blank-page.html
Avatar of LeeDerbyshire
Unfortunately, a Google search doesn't reveal any fixes for this, but it looks like you already tried.  Out of curiosity, if you open that file D:\Exchsrvr\OMA\Browse\web.config in Notepad, and use CTRL-G to go to line 101, what does it contain?  It might be a clue (or, of course, it might just be totally obscure).
Avatar of laurin1

ASKER

<control name="Microsoft.Exchange.OMA.UserInterface.MultiLineTextBox,Microsoft.Exchange.OMA.UserInterface" adapter="OmaAdapters.OmaXhtmlMultiLineTextBoxAdapter,Microsoft.Exchange.OMA.UserInterface" />

Is at line 101. I had some .NET trouble with this server, and finally got it working, but I believe .NET 1.1 isn't installed properly, nor  do I know how to fix it.
It might help to use the aspnet_regiis utility:
http://support.microsoft.com/kb/306005
Avatar of laurin1

ASKER

Nope. Did not fix it.
ASKER CERTIFIED SOLUTION
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LeeDerbyshire
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Avatar of laurin1

ASKER

It says so in Add/Remove Programs, but I can't be sure and I can't reinstall it.
Well, I had some contact with the MS Exchange team on this issue (I sent a message describing your error to the MVP mailing list), and one reply stated that MS support had indeed seen this issue several times, and that the fix was to remove that Device Update 4.0 .
Avatar of laurin1

ASKER

Removed Device Update 4.0, but that did not fix the problem.
It might be necessary to stop/start the WWW service.  At a convenient time, do an IISRESET from the command line.
Avatar of laurin1

ASKER

Already did.
Avatar of laurin1

ASKER

Hooray! I reinstalled Device Update 4.0 and reset IIS and it works! Thanks for pointing me in the right direction.
Hello,
I tried the same , I reinstalled DeviceUpdate4.0 but I have the same error. Still a blank page.
Please can we go through all settings ?
Is it possible to check OMA from a computer with IE ?