Archive for FAQ

Defining and Using Machine Groups in the Performance Sentry PDB

Defining and using machine groups are important features of the Performance Sentry Performance Database (PDB).  Machine groups are especially useful in managing the performance data from hundreds or thousands of machines.  Additionally, using machine groups improves charting and reporting performance in the Performance Sentry Portal. “A Guide to Using Machine Groups Effectively in the Performance […]

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Microsoft’s Hyper-V Performance — Introduction

If you are interested in the performance of Microsoft’s Hyper-V virtualization solution, Mark Friedman, our Founder and CTO,  recently put Microsoft’s Hyper-V virtualization technology through its paces, subjecting it to a series of CPU and memory stress tests. These tests are similar to the ones he used to evaluate the performance of VMware ESX  to help […]

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Performance Sentry Cumulative Maintenance Released

Demand Technology Software announced a cumulative maintenance distribution encompassing fixes and enhancements to the Performance Sentry collection service, Performance Sentry Administration, the Performance Sentry Web Portal, and the NTSMF PDB data utilities. It is available immediately for download for both new and existing customers. The Performance Sentry collection service version 4.0.0.15, which is included in […]

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Performance Sentry Collection Service Uninstall Problem on x64 Machines.

It has been brought to our attention that there is a problem in certain circumstances where attempting to ‘Uninstall’ or ‘Remove’ the Performance Sentry Collection Service results in an error message of “An error occurred while trying to remove Performance Sentry Collection Service.  It may have already been uninstalled.  Would you like to remove Performance […]

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Page Not Found on Windows Server 2003 after installation of the Performance Sentry Portal

Introduction In the process of testing the latest setup routine for the Performance Sentry Portal on Windows Server 2003, it was discovered that upon setup completion, a user attempting to launch the Performance Sentry Portal website might encounter an HTTP 404 ‘The page cannot be found’ error:           Modifying IIS The […]

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What can you tell me about the object “Deprecated Features”

The SQLServer:Deprecated Features object in SQL Server provides a counter (Usage) to monitor the features designated as deprecated. In each case the counter provides a usage count that lists the number of times the deprecated feature was encountered since SQL Server last started. This is a very costly object because it generates a lot of […]

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Running Performance Sentry Portal in Windows 2008 and Windows7

Running Performance Sentry Portal in Windows 2008×32 and x64 platforms and Windows7 Situation: When installing the Performance Sentry Portal application, the current installation scripting language does not have the capabilities to make modifications to the initial Windows 2008 and Windows 7 server configuration roles, changes to the Internet Information Service (IIS) configuration and to the […]

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Performance Sentry support for VMWare – What do I need to do?

Performance Sentry provides full support for VMWare objects and counters. For a full documentation of what objects and counters are available, you can simply point your browser to our website Download Area and navigate to Product Documentation and download “Objects and Counters collected by Performance Sentry VM”. Before doing this, users need to update the […]

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How does Performance Sentry VM collect data from hosts and guests on ESX Server?

Performance Sentry VM runs as a service in Windows Vista, Windows 7, Windows Server 2008 or Windows Server 2008 R2. It can run in a VM guest, or a machine external to the ESX host.

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Will you please explain Cycle End Processing?

This discussion of Cycle End processing also considers the following subtopics: Processing multiple files Using ftp Summarization utility Historical files Using Windows Script Host (WSH) scripts At the end of each collection cycle, the Collection service closes the current collection file to make it available for processing. The end of a cycle normally is used […]

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