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We have an exchange 2003 server running on Windows server 2003. &nbsp;The server is also one of two domain controlers in our domain environment. &nbsp;I is running GFI mailessentials, Mcafee &nbsp;Virus Scan, and Groupshield. &nbsp; Starting yesterday I started noticing that CPU ussage is going through the roof. &nbsp;When I look at the processes tab in task manager I notice that inetinfo.exe, and RPCServe.exe are using most of the CPU. &nbsp;Inetinfo.exe is looking to be the worst. &nbsp;Any ideas of what it could be?
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We have an exchange 2003 server running on Windows server 2003.  The server is also one of two domain controlers in our domain environment.  I is running GFI mailessentials, Mcafee  Virus Scan, and Groupshield.   Starting yesterday I started noticing that CPU ussage is going through the roof.  When I look at the processes tab in task manager I notice that inetinfo.exe, and RPCServe.exe are using most of the CPU.  Inetinfo.exe is looking to be the worst.  Any ideas of what it could be?

Exchange Server High CPU issues

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

Microsoft server applications are those applications developed specifically, but not necessarily exclusively, on the Windows Server platform. In addition to well-known products like SQL Server, Exchange, Internet Information Services (IIS), Microsoft Dynamics, Forefront, Lync and Sharepoint, they include applications like Skype, BizTalk, Hyper-V, Groove and Commerce Server. Server applications are managed with the Microsoft System Center.

Microsoft Server Apps

The Microsoft Legacy Operating System topic includes legacy versions of Microsoft operating systems prior to Windows 2000: All versions of MS-DOS and other versions developed for specific manufacturers and Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions, and Windows Mobile.