The WebReady Document Viewing worker process cannot be found
Topic Last Modified: 2007-11-16
The Microsoft Exchange Server 2007 Management Pack for Microsoft Operations Manager (MOM) monitors the Windows Application log on computers that are running Exchange Server 2007 and generates this alert when the event or events specified in the following Details table are logged.
To learn more about this event, do one or more of the following:
Review the description of the event that includes the variables specific to your environment. From the MOM Operator Console, select this alert, and then click the Properties tab.
Review all events that have been logged that meet the criteria of this MOM alert. From the MOM Operator Console, click the Events tab, and then double-click the event in the list for which you want to review the event description.
Details
Product Name |
Exchange |
Product Version |
8.0 (Exchange Server 2007) |
Event ID |
49 |
Event Source |
MSExchange OWA |
Alert Type |
Critical Error |
MOM Rule Path |
Microsoft Exchange Server/Exchange 2007/Client Access/Outlook Web Access |
MOM Rule Name |
The WebReady Document Viewing worker process cannot be found. Try removing the Outlook Web Access virtual directory by using the Remove-OwaVirtualDirectory cmdlet, and then re-creating it. For more information, see MSExchangeOWA event 49. |
Explanation
This Error indicates that the WebReady Document Viewing service did not open an attachment as a Web page. WebReady Document Viewing lets users access file attachments in Microsoft® Office Outlook® Web Access. Users can access common file types such as Microsoft Word documents even if the application is not installed. The event may occur if one or more of the following conditions are true:
The value of HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F7CC98B4-F6F5-489D-98EB-000689C721DE}\LocalServer32\(Default) is empty. Alternatively, the file referenced by this registry key is incorrect.
The TranscodingService.exe file is missing from the computer that is running the Client Access server role.
User Action
To resolve this error, follow one or more of these steps:
Verify that the correct value exists for the registry specified in the Explanation.
In Registry editor, under the registry subkey HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{F7CC98B4-F6F5-489D-98EB-000689C721DE}\LocalServer32, double-click the registry key (Default).
In Value data, verify that the value specified is a path of the TranscodingService.exe file. The default location of the file and the registry key value is C:\Program Files\Microsoft\Exchange Server\ClientAccess\owa\bin\DocumentViewing\TranscodingService.exe.
Verify that the TranscodingService.exe file exists in the location that is specified in the registry. If it does not exist, copy that file from the \Setup\ServerRoles\ClientAccess\owa\bin\DocumentViewing folder on the Microsoft Exchange Server 2007 DVD, and then paste it to the Client Access server. The default location to replace the file on the client Access server is C:\Program Files\Microsoft\Exchange Server\ClientAccess\owa\bin\DocumentViewing.
Remove and then re-install the Client Access server role. For more information about how to modify server roles, see Removing and Modifying Exchange 2007.
For More Information
To search the Microsoft Knowledge Base articles based on criteria that generated this alert, visit the Search the Support Knowledge Base (KB) Web site.
To review Exchange 2007 event message articles that may not be represented by Exchange 2007 MOM alerts, see the Events and Errors Message Center.
If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.