This indicates an attack attempt to exploit a Cross-Site Scripting vulnerability in Microsoft Windows System Center Operations Manager Web Console.
The vulnerability is due to an error when the vulnerable software handles malicious http requests. A remote attacker may be able to execute arbitrary script on the client browser via a crafted http request.
Microsoft System Center Operations Manager 2007 Service Pack 1
Microsoft System Center Operations Manager 2007 R2
System Compromise: Remote attackers can execute arbitrary script code within the context of the target user's browser.
Apply the most recent upgrade or patch from the vendor.