The ramblings of a computer geek
We recently upgraded our ESX hosts to ESX 4.1 U1, upon applying the 4.1 U1 update and then rebooting the server we found that the network adapters had all changed themselves to 1000Mbit Full Duplex. However we had everything set at “Auto Negotiate.” The fix was simple, change this back to “Auto” on the ESX … Read more
Information Store (672) SG1: An attempt to write to the file “D:\SG1\E00.log” at offset 1253376 (0x0000000000132000) for 512 (0x00000200) bytes failed after 1 seconds with system error 1784 (0x000006f8): “The supplied user buffer is not valid for the requested operation. “. The write operation will fail with error -1011 (0xfffffc0d). If this error persists then … Read more
I’ve been upgrading our ESX hosts to the latest version. From ESX 4.1 to ESX 4.1 U1 (Update 1), its been a little more complicated than i’d like, but here are the strange things i’ve found. Note this is performing the upgrade using VUM (VMWare Update Manager). Downloading The Update Finding the correct package to … Read more
Some useful Exchange recovery commands for when the sky has fallen, and you don’t have a working backup.
BONKERS 1 “Hixxy and Sharkey are Bonkers!” Back in 1996 React Music released the industry standard of Hardcore compilations. Using the talents of Hixxy and Sharkey they produced an amazing mix of hard and happy dance music. Mix being the important part, the CD’s, (yes 2 of them for the price of a one album) … Read more
In this example the ghost server is on IP address 172.27.5.73/24 and is in vlan 205. The ghostcasting clients (i.e. a workstation I want to re-ghost) is in vlan 240 on IP address: 172.27.240.10. There are two DHCP servers also in vlan 205 on IP addresses 172.27.5.131 and 172.27.5.132. We want the ghostcast client in … Read more
We were moving our mailbox from our old Exchange 2003 server to a new Exchange 2010 server, we moved the vast majority of people no problems, however there were about 10 or so users who we had this error with. Problem: “Property expression <blah> isn’t valid. Valid values are: …..” Now the user’s mailbox on … Read more
I was viewing a CHM file from a UNC path, and was getting a “page cannot be displayed error”, this appears to be down to the CHM file being read by Internet explorer, as it thinks this is a remote site it applies the internet zone restrictions. To workaround this I copied the CHM file … Read more
A odd problem with Active Directory that I came across this week; a user object keep on “losing” its permissions. When adding the “Send As” permissions for Exchange on a AD user object all seemed to go okay, then about 20 minutes or so later the permission would just vanish! After much rumaging around I … Read more
Tried to connect up to a pix using a Cisco VPN Client, the connection connected fine, but when I tried to VNC or RDC to something had no joy. Checking the statistics of the vpn connection on my pc it showed sending traffic but not getting anything back. This is caused by a problem with … Read more