Windows 2008

Build

Best practice for VMs (take with a pinch of salt)

• http://communities.vmware.com/servlet/JiveServlet/downloadBody/12309-102-4-13348/vFiltered-windows2008best%20practices.pdf

Disable ASLR

Address space layout randomisation is a feature which involves randomly arranging the positions of key data areas, in order to mitigate memory snapshot image vulnerabilities (which is generally not a problem). This can reduce reduce VMware's page sharing between VM's, increasing overall physical memory usage.

HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\"MoveImages"=dword:00000000

Procedures

Sysprep

1. Start sysprep from C:\Windows\System32\sysprep\sysprep.exe
2. Leave action as Enter System Out-of-Box Experience (OOBE) and tick the poorly spelt Generalize tick-box, then hit OK
3. Sysprep will run and reboot the OS
   • You'll need to provide a new password, and any hostname and IP details will need updating

Troubleshooting

Default Gateway Loss

Known bug in Windows 2008 SP2 causes the default gateway of a machine to disappear on reboot. Resolved by resetting the IP stack and re-entering the IP config

1. Record IP details
   • ipconfig/all > C:\ipconfig.txt
2. Reset the IP stack
   • netsh int ip reset
3. Restart server
4. Re-enter IP config
5. Reboot to confirm its held

There's a bugfix available from http://support.microsoft.com/kb/973243

Scheduled Tasks

Error 2147943712 You're trying to save a task that wants to save credentials (maybe because you want the task to run even when the user is logged off), but credential saving has been disabled by a GPO.