How to remove an old long gone DHCP server from Active directory and DHCP on Windows 2003.

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Open ADSI edit. Configuration-> Services- > NetServices Checked the properties of: CN=DhcpRoot Then edited this attribute: dhcpServers There was one server listed in there: i172.17.5.1$rcn=cdc.domain.com$0x00000000$dcdc01.domain.com$ This was the one that seemed to be left hanging around. Took a note of the settings just incase then deleted it and clicked “OK” to apply the settings. Checked … Read more

RAID – Redundant Array of Inexpensive Disks

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RAID (Redundant Array of Inexpensive Disks) is a way of organising and using disks (Hard Disks) to increase performance or provide fault tolerance. RAID can also be set up to provide both functions at the same time.  RAID is a set of two or more ordinary hard disks and a specialized disk controller that contains … Read more

Installing PureMessage 3.0.2

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When trying to install Puremessage, you need to upgrade the instance of MSDE you are using to a specific verson MSDE 2000 SP4. More details at this page on the Sophos support site. http://www.sophos.com/support/knowledgebase/article/46290.html If when trying to upgrade MSDE you get an error saying you need to change the SA password, you are not … Read more

Backup and Data Protection – DeltaCopy – rSync for Windows

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To ensure I have a good off-site synch of my data i now use DeltaCopy http://www.aboutmyip.com/AboutMyXApp/DeltaCopy.jsp its basically a version of rsync for windows. Its quite simple to setup and works well. The package includes the client and the server. In my case i have two servers, one local, one remote, the two sync with … Read more

APC UPS Management Card Utility Not Working

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I had the problem that the APC UPS Management Card Utility software used to configure the IP was not working. It detected the unconfigured card okay, and prompted for the settings but never took them. In the end I found a document from APC support that showed a workaround to get it configured. Note: you … Read more

Match VMWare LUN ID to EMC SAN LUN ID

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This is the procedure to match a (VMWare Datastore and) VMWare LUN ID to the underlying storage ID on an EMC SAN. (The procedure would work for another type of SAN as long as you can get the UUID off the SAN for each LUN. With help from #  KB Article: 1005587 # Updated: Aug … Read more

Moving a VM from local storage to the SAN

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This is a way to move the VMDKs for a VM from local storage to the SAN. First you need to get your SAN hooked in, once you do this, SSH onto the box, under your vmfs directory you’ll find the directories (links) to the LUNs presented from your SAN. To move from /vmfs/volumes/storage1 to … Read more

Jerky Mouse Performance on VMWare Microsoft Windows 2008 Server R2

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We are running on Microsoft Windows 2008 Server Standard R2, after installing VMWare Tools, the mouse performance is still annoyingly jerky. In Windows 2003 or XP just installing the VMWare Tools and setting the Troubleshooting “Hardware Acceleration” to “Full” fixes the problem. However in Windows 2008 Server R2 the driver picked up doesn’t seem to … Read more