The ramblings of a computer geek
After a power cut, (before the UPS was installed!), on booting back up the DPM 2007 server, the server showed loads of replica disks saying “Volume Missing”, before i crying, it tried the following to get DPM to pick them back up and it appeared to work ok: Run the command below to enable auto-detect … Read more
PROBLEM: The operation failed because of a protection agent failure. (ID 998 Details: An existing connection was forcibly closed by the remote host (0x80072746)) SYMPTOMS: Had this problem occouring when trying backup to tape. The majority of the tape backup jobs worked fine, then on two of the disks on two of the servers it … Read more
I was adding more storage to our DPM 2007 server. We currently have a MD1000 with 15 x 1TB SATA disks, but i needed to add some more storage so i hooked up a second MD1000 with 15 x 1TB SATA disks. Configured the RAID groups and presented the storage to the server. In DPM … Read more
The problem: You do not have permission to send on behalf of the specified user when trying to send via Outlook 2003. However all mailbox permissions are correct. Can’t send any messages, can recieve fine though, you may see an warning event log message on the exchange server each time the user tries to send. … Read more
Reset WSUS ClientBeen working on WSUS and have setup a WSUS server. However started to get a problem whereby the computers were appearing on WSUS and reporting their status then disappearing. I noticed that they were disappearing and being replaced by another computer. It turns out that when a machine is ghosted and then sysprep’ed … Read more
After an upgrade to WordPress 3.1, everytime I hit the front page of my wordpress site I was getting 100% CPU and the page would fail to render, no 404 just a hourglass and lots of waiting. However I could get to the admin site fine. It turned out to be a problem that is … Read more
If you are virtualising its a good idea to disable the login screensaver, this will save on processor cycles wasted drawing the screensaver to save a screen that doesn’t exist. Imagine 10 servers on an ESX host all with the screensaver running this does create an overhead. To disable do the following: [Start] [Run] [Regedit] … Read more
My Tomcat 6.0 server suddenly decided to croak. Strange thing was nothing had changed. [2010-10-29 08:41:57] [994 prunsrv.c] [error] Failed creating java C:\jdk\jre\bin\server\jvm.dll [2010-10-29 08:41:57] [1269 prunsrv.c] [error] ServiceStart returned 1 [2010-10-29 08:43:14] [174 javajni.c] [error] The specified module could not be found. Was getting the error above, so i used filemon under the Procmon … Read more
Windows can allow a user to create a file or folder with a space at the end that it then cannot manage, to remove it you need to follow this procedure. You’ll receive an error if you try to remove it. Find out the 8.3 version of the folder name by opening a command prompt: … Read more
There are many causes of a 500 error on PHP pages on IIS. But this was a little bit of a weird one, when trying to make some php pages work they all generated 500 errors. I created a test php page which worked fine, just all the scripts didn’t so I checked through the … Read more