Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update.

Open System Monitor (Perfmon.exe), and then add the ID Thread counter to the Thread performance object for all sqlservr instances.

Symptoms. You may experience slow performance in SQL Server 2012. When you check SQL Server Performance Monitor tools, you see the following: A rapid decline in the SQLServer:Buffer Manager\Page life expectancy performance counter values. When this issue occurs, the counter is near 0. The peak value of the SQL Server: Buffer manager\LazyWrites ...

Exit Outlook. Start Registry Editor. To do this, use one of the following procedures, as appropriate for your version of Windows: Windows 10, Windows 8.1, and Windows 8: Press Windows Key+R to open a Run dialog box. Type regedit.exe, and then press OK. In Registry Editor, locate and then click the following subkey: HKEY_CURRENT_USER\Software ...

In this scenario, all the values that are returned by the counters appear incorrect when they're compared to the values that are returned in Performance Monitor. For example, this problem occurs when the application queries the Active UDP Connections counter. In this situation, the counter always returns 300 regardless of what the correct value is.

To work around this issue, use the built-in Performance Monitor tool (perfmon.exe), and add the "\Hyper-V Hypervisor Logical Processor\Frequency" performance counter. More Information. For a more detailed discussion of this issue, see the following MSDN blog article: Physical/Logical CPU Frequency Reporting with Hyper-V enabled. Status

In this scenario, Performance Monitor for SQL Server 2008 Reporting Services may not work. Cause. This problem occurs because the following registry keys are removed when you uninstall the 32-bit version of SQL Server 2008: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSRS 2008 Web Service\Performance:Counter Names

PSSDIAG can natively collect Performance Monitor logs, SQL Profiler traces, SQL Server blocking script output, Windows Event Logs, and SQLDIAG output. The data collection can be customized by enabling or disabling any of these log types, by changing the sample interval of the blocking script and the Performance Monitor logs, and by modifying ...

Step 2: Configure Performance Monitor logging. To configure Performance Monitor logging, follow these steps: Click Start, click Run, type the path of the Debug Diagnostics Tool, and then click OK. Note By default, the Debug Diagnostics Tool is located in the following folder: C:\Program Files\DebugDiag

Troubleshoot external monitor connections in Windows 10. Windows 10. Before considering troubleshooting options, make sure your device is up to date. Select Start > Settings > Update & Security > Windows Update , then select Check for updates. If you need help setting up your external monitors, see How to use multiple monitors in Windows 10.