Controlling your MMC Snap-ins on 64-bit Operating Systems

Over the last couple of weeks, we have worked with a few customers on some MMC issues that they have been experiencing when launching MMC Snap-ins on 64-bit Windows systems.  Most customers have reported that the issue normally surfaces after installing the Hotfix from KB942589 on Windows Server 2003 systems.  On the systems in question, […]

Over the last couple of weeks, we have worked with a few customers on some MMC issues that they have been experiencing when launching MMC Snap-ins on 64-bit Windows systems.  Most customers have reported that the issue normally surfaces after installing the Hotfix from KB942589 on Windows Server 2003 systems.  On the systems in question, there will be several SideBySide errors in the Event Logs, similar to the ones below:

Event Type: Error 
Event Source: SideBySide 
Event Category: None 
Event ID: 59 
Date: (Date) 
Time: (Time)
User: N/A 
Computer: (Computer Name)
Description: 
Generate Activation Context failed for C:\WINNT\SysWOW64\mmc.exe. Reference error 
message: The referenced assembly is not installed on your system. 

Event Type: Error 
Event Source: SideBySide 
Event Category: None 
Event ID: 59 
Date: (Date)
Time: (Time)
User: N/A 
Computer: (Computer Name)
Description: 
Resolve Partial Assembly failed for Microsoft.Windows.Common-Controls. Reference 
error message: The referenced assembly is not installed on your system. 

Event Type: Error 
Event Source: SideBySide 
Event Category: None 
Event ID: 32 
Date: (Date)
Time: (Time)
User: N/A 
Computer: (Computer Name)
Description: 
Dependent Assembly Microsoft.Windows.Common-Controls could not be found and Last 
Error was The referenced assembly is not installed on your system.