SysNet Tips

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This guide describes important tuning parameters and settings that you can adjust to improve the performance of the Windows Server 2008 R2 operating system. This guide describes each setting and its potential effect to help you make an informed decision about its relevance to your system, workload, and performance goals. This paper is for information technology (IT) professionals and system administrators who need to tune the performance of a server that is running Windows Server 2008 R2. This information applies to the Windows Server 2008 R2 operating system. Included in this white paper: • Choosing and Tuning Server Hardware • Performance Tuning for the Networking Subsystem • Performance Tuning for the Storage Subsystem • Performance Tuning for Web Servers • Performance Tuning for File Servers • Performance Tuning for Active Directory Servers • Performance Tuning for Remote Desktop Session Host (formerly Terminal Server) • Performance Tuning for Remote Des...

Let’s look at what exclusion configuration should look like. On Hyper-V host you’ll find couple of core processes that’s crucial to host and VM performance. Prevent following processes from AV scans by excluding following as part of Hyper-V AV policy:   VMMS.exe | VMWP.exe . Also exclude root directories where VM configurations and Virtual Hard Disks are stored:   C:\ProgramData\Microsoft\Windows\Hyper-V     C:\Users\Public\Documents\Hyper-V\Virtual Hard Disks, Custom VM configuration, Virtual Hard Disk and Snapshot directories .  Next, create AV exclusions for following file extensions:   *.XML | *.VHD | *.AVHD | *.VFD | *. VSV | *.ISO . | *. BIN XML files These files contain the virtual machine configuration details.  There is one of these for each virtual machine and each snapshot of a virtual machine.  They are always named with the GUID used to internally identify the virtual machine or snapshot in question...

The short answer is “Virtual machine snapshots are supported in production environments, but not recommended.”  The longer answer is that there are a number of issues you should consider before deciding to use virtual machine snapshots in a production environment.  The are as follows: Performance: as virtual machine snapshots use differencing disks, there is a performance overhead to be considered.  This overhead is not too noticeable if you are already using dynamically expanding virtual hard disks, and you only plan to have a small number of snapshots around.  If you are using fixed size virtual hard disks – then there will be a noticeable performance hit to using a virtual machine snapshot. Disk space : once again, because virtual machine snapshots use differencing disks, there is an added disk space usage involved with having a virtual machine snapshot.  This is not too significant if you are using dynamically expanding virtual hard disks – ...

You may need to use the Inbox Repair Tool if you open your Outlook .pst file and receive this message: "Unable to expand the folder. The set of folders could not be opened. Errors could have been detected in the file drive :\Documents and Settings\ user \Local Settings\Application Data\Microsoft\Outlook\Outlook.pst. Quit all mail-enabled applications, and then use the Inbox Repair Tool. " Included in all versions of Outlook is Scan.pst, a tool that may help in the event your .pst file becomes corrupted. Run scan.pst repeatedly until there are no errors. To get at it, you'll need to navigate to this path using Windows Explorer: For Outlook XP & 2003: Hard Drive Letter :\Program Files\Common Files\System\MSMAPI\LocaleID (which is 1033 for the USA or similar) For Outlook 2007: Hard Drive Letter :\Program Files\Microsoft Office\OFFICE12. Now, inside this folder, you're looking for this particular setup file: "Scanpst.exe" When yo...

Are you someone who likes to dig really deep into the hardware configuration of your computer? If so, HWiNFO32 is probably the best program ever for getting detailed system hardware information on the processor, hard drives, video cards, network cards, OS, and more. HWiNFO32 – System Hardware Information

Nice article with suggestions on how to keep your PC running smoothly. Topics include Disk Check, Removing Temp Files, Defragmentation and other suggestions on how and when to run built-in Windows tools. All OS’s. Optimize your Windows computer

Find your PCs open ports quickly with Roadkill’s tiny Scan Port scanner. Ports filtered by a firewall will easily be identified too. Download Roadkill’s Scan Port v1.3