After installing Office 2010 Web Application you notice that you can create and edit word documents however viewing a word document or creating an Excel document you receive the following error in the web UI.
Word Web App cannot open this document for viewing because of an unexpected error. To view this document, open it in Microsoft Word.
Error Id: 68d8674b-53ac-407c-bfd7-9ef2a2c16611, 20091210124532
In the event log you may receive the following error
Log Name: Application
Source: Microsoft-SharePoint Products-SharePoint Foundation
Date: 08/01/2010 15:19:15
Event ID: 3760
Task Category: Database
Level: Critical
Keywords:
User: xxsvcsp_serviceapps
Computer: SP-001.xx.local
Description:
SQL Database 'xxx_Content' on SQL Server instance 'servername' not found. Additional error information from SQL Server is included below.
Cannot open database "xxx_Content" requested by the login. The login failed.
Login failed for user 'xxxsvcsp_serviceapps'.
Make sure the Login described in Event Id: 3760 has permissions to the SQL Database mentioned in the event id.
You may also want to make sure that the SSA application pool account has access to the windows temp folder.
If the above does not help then review the ULS logs and search the latest log for the Error Id: mentioned above (not yours is likely to be different), and see that the error message was
What a great resource!