An exception occurs, and event IDs 4999 and 5000 are logged when you modify the Outlook Web Access user interface

You modify the Microsoft Office Outlook Web Access user interface by following the steps in the "Specifying Icons for Custom Content Items" section of the following Microsoft Web site:When you use Outlook Web Access to browse to a Microsoft Exchange Server 2007 mailbox, an exception that blocks the regular operation occurs. Additionally, the following events are logged in the Application event log:

Event Type: Error
Event Source: MSExchange Common
Event Category: General
Event ID: 4999
Description:
Watson report about to be sent to dw20.exe for process id: <process ID>, with parameters: E12IIS, <processor>, <version>, OWA, M.E.C.Owa, M.E.C.O.C.ThemeManager.RenderThemeFilePath, System.IndexOutOfRangeException, <address>, <version>. ErrorReportingEnabled: True

Event Type: Error
Event Source: Microsoft Exchange Server
Event Category: None
Event ID: 5000
Description:
EventType e12iis, P1 <processor>, P2 <version>, P3 owa, P4 m.e.c.owa, P5 m.e.c.o.c.thememanager.renderthemefilepath, P6 system.indexoutofrangeexception, P7 <address>, P8 <version>, P9 NIL, P10 NIL.

To resolve this problem, install Update Rollup 2 for Exchange Server 2007 Service Pack 1. For more information about Update Rollup 2 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic: For more information about how to obtain the latest Exchange service pack or update rollup, see the following Exchange Help topic:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the naming schema for Exchange Server software updates, click the following article number to view the article in the Microsoft Knowledge Base: