We recommend that you install antivirus software on the instance to perform a virus scan. This is a normal scenario.Ĭheck in the background whether Windows Update operations are performed. On a Windows Server 2012 instance that has one vCPU and 1 GB of memory, the Windows Update service automatically checks for, downloads, and installs new Windows updates, which results in sudden spikes in CPU utilization. Services that are frequently accessed and Windows in-box services, such as update services, may cause high network traffic or high CPU load.įor a Windows Server 2008 or Windows Server 2012 instance, we recommend that you configure at least 2 GB of memory. The following table describes the operations that you need to perform based on whether the process is normal or abnormal. Right-click the name of a process and select Open file location to check whether the process is a malicious process.ĭetermine whether the processes that cause high CPU utilization are normal, and perform operations to resolve the issue. On the Processes tab of the Task Manager window, click PID to sort processes, and then find the processes that cause high CPU utilization. In the Select columns dialog box, select PID and click OK. In the top navigation bar of the Task Manager window, choose Vie > Select column. In the Task Manager window, find the location of each process that contributes to high CPU utilization based on the process ID, and check whether the process is abnormal.
In the Resource Monitor window, check for processes that cause high CPU utilization.įind the IDs and names of the processes that cause high CPU utilization. In the Run dialog box, enter perfmon -res and click OK. In the lower part of the desktop, click the Start icon and select Run. For an instance that runs Windows Server 2008 or later, use the built-in Resource Monitor to monitor CPU load.įor more information, see Connection methods.
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