DIMS Notification Handler – DIMSNTFY.DLL
Dimsntfy.dll is the DIMS (Digital Identity Management Service) Notification Handler. It runs via Winlogon Notify and will appear in your Windows\System32 folder. It is a system file that installs with Windows XP and Windows Server 2003. More information can be found at http://support.microsoft.com/kb/907247.
If you run Windows 2003 Server you'll want to leave this file in place. Removing it could cause problems with digital certificates. More information can be found at http://www.microsoft.com/technet/security/guidance/cryptographyetc/client-credential-roaming/how-credential-roaming-works.mspx.
Safe
Microsoft