Fixing Side-By-Side Errors

Friday, October 12, 2007

I've run across a few servers that are throwing the following "Side By Side" error in the Application event log:

Event Type: ErrorEvent
Source: SideBySide
Event Category: None
Event ID: 59
Date: 10/12/2007
Time: 7:30:55AM
User: N/A
Computer: FDOMOPS01
Description:Generate Activation Context failed for C:\WINDOWS\WinSxS\x86_Microsoft.VC80.MFC_1fc8b3b9a1e18e3b_8.0.50727.42_x-ww_DEC6DDD2\MFC80U.DLL. Reference error message: The referenced assembly is not installed on your system.

Usually, I've found these servers to be running SQL 2005. The fix is to install the Microsoft Visual C++ 2005 Redistributable Package. It's available here: