Tag Archives: “Windows Server 2008 – Service Pack 2”

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Windows Vista, Windows Server 2008 and SBS 2008 with Service Pack 2 – You may find that applications stop responding, delays occur during resume from standby and/or files may become corrupt when the computer goes to sleep/hibernate and/or poor AMD processor/chipset performance

A variety of issue exist post service pack 2 with Windows Vista, Windows Server 2008 and Small Business Server 2008, a variety of hotfixes have been released since 2008 to address these issues but you only need to apply the latest to ensure that all subsequent issues are addressed.

 

You should only need to apply the hotfix from KB 980080 to ensure that all the issues below are addressed as this contains the latest versions of the affected files, this can be obtained from http://support.microsoft.com/kb/980080

 

KB 980080 – Files may be corrupted when a computer that is running Windows Vista or Windows Server 2008 enters the sleep mode or the hibernate mode

Info: http://support.microsoft.com/kb/980080

KB 977323 – After you change the SATA mode of disk devices to use the AHCI specification on a Windows Server 2008-based or Windows Vista-based computer, the computer or certain applications randomly stop responding for 60 seconds or longer

Info: http://support.microsoft.com/kb/977323

KB 974073 – An update for the Msahci.sys driver has been released for AMD chipsets

Info: http://support.microsoft.com/kb/974073

KB 971390 – A minor delay occurs when Windows Vista or Windows Server 2008 resumes from sleep if the hard disk is attached to a secondary ATA port

Info: http://support.microsoft.com/kb/971390

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Windows Vista and Windows 7 – USB Audio Device or USB Headset can cause High CPU Usage and you may notice skipping in the sound playback

If you use a USB Headset, USB Speakers or USB Sound Card under Windows Vista or Windows 7 you may notice that the CPU Usage is very high when you are listening to sound, music or gaming.  You may also notice that the audio lags or skips as a result, this will normally occur every 10-20 seconds and may get worse over an extended period of time.

This is most likely to occur when the device is connected to a USB 2.0 EHCI (Enhanced Host Controller Interface)

The issue is caused by a problem with the usbport.sys driver that is part of Windows

The issue can be addressed in Windows 7 or Windows Server 2008 R2 by upgrading to “Service Pack 1”

The issue can be addressed in Windows Vista – Service Pack 2 or Windows Server 2008 – Service Pack 2 by applying the hotfix from http://support.microsoft.com/kb/981214 which includes an updated version of usbport.sys

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Remote Desktop Sessions Pause Or Exhibit Unresponsiveness – Lag Whilst Typing And Session Will Not Accept Mouse Inputs

Remote Desktop Services can be extremely useful, allowing users to access a terminal server or their company desktop computer from another location.  One very common complaint with RDP sessions is screen refresh delays and a delay when typing or trying to click on items using the mouse cursor.  It will appear to most that the session has become unresponsive for a period of 5-20 seconds, after this delay the session will return to normal for a period of several minutes before once again becoming unresponsive.  You may find that this issue becomes more apparent as more users connect to the specific terminal server in question and if all these users utilise several applications (i.e. Outlook, Word and Excel) together.

Causes for poor user experience when connected via RDP are varied but one of the most common is resource exhaustion or contention.  This in turn causes a delay in processing that appears as a pause or unresponsiveness.

Check that your computer or terminal server has sufficient Memory to cope with the current load.

The next thing to verify by using performance monitor is that the PhysicalDisk\% Idle Time is consistently high, that’s correct this should be 90-100% when the server is not very busy.

It is worth running performance monitor using the PhysicalDisk\% Idle Time counter whilst you are seeing the slowdowns, this will help identify if your hard disk or controller are causing contention and in turn the pausing or unresponsiveness.

If you do find that the “%Idle Time” keeps going very low then it’s time to consider some of the options below to help resolve the issue

  • Install a second drive or mirror set, move the Windows Page File to this second disk/array to reduce the load on the drive/array holding your operating system
  • Install additional memory into the computer or server, this will reduce paging to disk and will generally improve overall system performance
  • Migrate to or upgrade your existing RAID controller to a unit that had a Battery Backed Cache (Fast) or Flash Backed Cache (Newer – Faster) to significantly improve performance and alleviate the system
  • Migrate to faster hard disk drives, 7200, 10,000 or 15,000 RPM drives are amongst the fastest.  The SATA interface is slower than the SAS interface but is cheaper.  Try to invest in the fastest drives that you can to future proof the system and avoid future performance issues if you have to scale for more users.
  • Ensure that you have at least 20-25% free disk space on all partitions/drives
  • Defragment all drives on a regular basis to optimise read and write operations
  • A cheap solution for improving disk performance may be to turn on the Hard Disk Cache using “Device Manager” or in the event that you are using a RAID controller without a battery backed Cache module you will need to open the RAID Array Management Software and then enable Disk Cache within the management software as this feature will not be available within “Device Manager” in this instance.  Please note that this does have some risks and should be used with caution, you may loose data in the event of a sudden/unexpected loss of power to the system.  Consider using this option with a UPS and redundant power supplies to reduce the risk of power loss to the system.  As always ensure you have a reliable backup that is carried out at regular intervals.

Example – HP RAID Array Configuration Utility:

Example – Windows Device Manager:

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Microsoft Windows Vista – SP1 or SP2 and Microsoft Windows Server 2008 – SP1 or SP2 – How to Easily Free Up Some Disk Space

Have you started to notice that C drive is getting a little full or do you just want to have a spring clean, well you may not realise it but when you installed Service Pack 1 or Service Pack 2 onto your Windows Vista or Windows 2008 Server that Microsoft very sensibly backed up all the old system file before replacing them with new ones.

Assuming that you have had Service Pack 1 or Service Pack 2 installed for sometime without issue it may be good to know that you might be able to reclaim some disk space by dumping these obsolete system files.

Simply launch an elevated Command Prompt by right clicking “Command Prompt” and selecting “Run as administrator”.  Once you are in a command prompt simply paste in the following according to the Service Pack you are currently running:

Service Pack 1 you need to paste: VSP1CLN.EXE

Service Pack 2 you need to paste: Compcln.exe

Be patient with these commands they will need time to enumerate a large number of files and could take up to 60 minutes to complete.  Once finished I would recommend a reboot.

With these commands we are telling the operating system to remove any of the superseded service pack files.  If you do not have any files to remove it might be because someone else has already removed them or your computer/server may have already come with Service Pack 1 or Service Pack 2 pre-installed/integrated.