MicrosoftWindows Home ServerPerfectDisk 12 Updated - Now at Service Pack 1

PerfectDisk 12 Updated – Now at Service Pack 1


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Last week we told you that PerfectDisk 12 was about to get a service pack. Well today they have released the updates, taking it to Service Pack 1 (build 275).


The PerfectDisk 12 Client and Enterprise Console have been updated to Build 275. These latest builds include various bug fixes.

You can “Check For Updates” in the products or wait for Autoupdate.

Client fixes:

  • There were several issues where the S.M.A.R.T. tab indicated outrageously high temperatures. This was due to PerfectDisk not recognizing the drive model and trying to apply an incorrect set of rules to interpret the S.M.A.R.T. data. In this build PerfectDisk will only provide S.M.A.R.T. data for drives in recognizes. More drives will be added in later service packs.
  • Real time defragmentation aggressively allocated space to prevent additional fragmentation. This resulted in consuming large amounts of space unnecessarily. The main symptom was rapidly growing log files. This has been corrected.
  • On some Windows XP systems the drives were grayed out and PerfectDisk could not be used. This was due an issue with WMI which has been corrected.
  • On Windows 7, the hidden 100mb partition created to support bitlocker has been added to the excluded drives list automatically. There is no benefit in defragmenting this partition.
  • Multiple text changes were made to maintain the PerfectDisk consistent with the PerfectDisk Console.
  • When enabling or disabling the SMART feature, the PerfectDisk GUI did not reflect the changes until you closed and reopened the GUI. This has been fixed.
  • There was a bug in displaying the MFT statistics. Text was inserted where numerical values should have been. This has been corrected.
  • When SMART polling occurred, the SMART Tab refocused to the first disk in the list. This has been fixed to leave focus on whatever disk was selected.
  • When entering a license key the Help menu still allowed you to reenter it. This has been fixed.
  • When right clicking on a file in the Most Fragmented Files list, and choosing to open the folder you would get an error if the file path contained a space. This has been fixed.
  • Ability to set partitions as Thin Provisioned has been removed from the PerfectDisk consumer product line. This feature is for corporate thin provisioned SAN environments.
  • There was a bug in the VMware Host product which caused the GUI to crash when performing an offline defrag on a virtual volume. The crash was in the PerfectDisk GUI and did not affect the virtual volume. This has been fixed.
  • Data retention rules were added to prevent the log file growing too large. Before Service Pack 1, all alerts were saved. Now Alerts are saved for two weeks and then purged.
  • During a defrag pass, the hibernate file is temporarily removed to free up space to improve defrag performance. If the computer was shutdown during a defrag pass or when a defrag pass was PAUSED, the hibernate file was not restored. This has been fixed.
  • Additional information was added to the log when performing a Zero Fill pass (Server product only).
  • Some of the Alerts had the incorrect text. The Alert indicated you had exceeded a threshold when it should have indicated you dropped below the threshold value. values were also being incorrectly flagged as alerts when they were not. These have been fixed.
  • S.M.A.R.T. temperature graph appeared to be out of date. This was due to only graphing 1000 data points, where there could have been up to 44,600. This has been fixed.
  • After an Analyze pass, PerfectDisk made a recommendation on what type of defragmentation pass was needed and allowed you to start that pass right away. There was a bug which caused PerfectDisk to start the default defrag pass not the currently recommended. This has been fixed

Console fixes:

  • Functionality to ignoring console alerts was broken (Error interface not registered). This has been corrected.
  • The PerfectDisk Console allowed more than one managed group to have the same name. This has been corrected.
  • Multiple text changes were made to maintain the PerfectDisk Console consistent with PerfectDisk.
  • Alert and Warning icons were incorrect. This has been corrected.
  • Manual synching of the PerfectDisk 12 clients is handled differently then in PerfectDisk 11. In PerfectDisk 12, the client initiated the synch. In PerfectDisk 11 the Console initiated the synch. This caused issues when manually synchronizing from the Console to v12 clients. The v12 Console was upgraded to allow manually synchronizing with v12 clients.
  • Computer Description was incorrect. It displayed the Computer Name not the description. Description has been removed.
  • Synch schedules were displayed as DAILY even though they were WEEKLY schedule types. This has been fixed.
  • There was some cutoff text on the Reporting Tab. This has been fixed.
  • The offline help check box was removed as there is no offline help for the console. Last defragged date was inconsistent between the Client and the Console. This has been corrected.
Read our review of PerfectDisk 12 Home Server edition for WHS 2011 Read our review of PerfectDisk 12 Home Server edition for WHS V1
Andrew Edney
Andrew Edney
I am the owner and editor of this site. I have been interested in gadgets and tech since I was a little kid. I have also written a number of books on various tech subjects. I also blog for The Huffington Post and for FHM. And I am honoured to be a Microsoft MVP since January 2008 - again this year as an Xbox MVP.


  1. I am going to wait abit before entrusting my servers to PD12. One expects some issues after the initial release but the issues they just fixed should have been fixed prior to the release. For now I am sticking with PD11.

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