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Small Business Server Tech Tip

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Brice R. Stevens, ALI Help Desk Support

Have you encountered a problem with your Outlook Web Access not working after a recent update to Microsoft Exchange? Our Help Desk has a tech tip on how to solve this common issue.

Introduction

Following updates to the Small Business Server Exchange 2010 remote users will report that they get a "Blank Screen" when trying to access the remote OWA page. The actual error when looking at the URL is https://mail.yourcompanydomainname.com/owa/auth/logon.aspx?url=https://mail.msexchangeblog.nl/owa/&reason=0

1 Remotely Logon to Server using administrative privileges.

2 Ensure the "MSExchangeFBA" service is running

  • Click Start, click Run, type services.msc, and then click OK.
  • In the Services window, locate the Microsoft Exchange Forms-Based Authentication service in the details pane.
  • Right-click the service, and then click Start.

If this service is not running, and you perform the below steps, you will not affect anything.

3 Run Exchange Management Shell (as Administrator)
7d8a0258daac9a76b64001c9cc92e89bc36d12f70f6212e306ee147148a05555 exchange management shell

Find Exchange Management Shell program, then right click on it and Run As Administrator - This is IMPORTANT. Click Yes to agree running as administrator when pop-up appears. The console will perform its own initialisation, a Welcome Screen will appear and then you will be dropped to a DOS Prompt (c:\Windows\system32)

4 Run Script Fix

At flashing cursor, type the following commands

If you are using Exchange 2010

  • CD "C:\Program Files\Microsoft\Exchange Server\V14\Bin" and then press
  • Subdirectory will change to the above.
  • updatecas.ps1, then press

If you are using Exchange 2007

  • CD "C:\Program Files\Microsoft\Exchange Server\Bin" and then press
  • Subdirectory will change to the above
  • UpdateOwa.ps1, and then press

If you are using Exchange 2013

  • CD "C:\Program Files\Microsoft\Exchange Server\V15\Bin" and then press
  • Subdirectory will change to the above.
  • Updatecas.ps1, then press

The script will perform a number of different commands, and then simply complete by dropping you back to the DOS prompt Type EXIT to close the Shell window

5 Test

You now now retry the Outlook Web App (/OWA) for the relevant customer again, and you should now receive the correct Login Page

If you are still having trouble, give us a call at (800) 283-2648 and we can help you resolve this and many other issues.

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