Windows Server 2008 & GhostCast - Unable to control A20 Line


have new server running evaluation of windows server 2008 , previous server running windows server 2003.  both have exact same symantec ghost solution suite software on them , both using 3com boot services run pxe server. pretty set exact as possible troubleshooting purposes.

using same ghost boot file , pxe menu file on both machines can machine boot pxe, load ghost, , automatically connect active ghost session on windows server 2003.

however, on windows server 2008, when same machine trying connect, after boots pxe , starts transferring ghost boot image, after pc-dos loads, , undi drivers load, goes himem loading , error:

"error: unable control a20 line!
               xms driver not installed"


what missing in ws2008 isnt in ws2003?

hi,
 
please follow steps configure config.sys file on problematic computer , check if issue re-occur.
 
1.  @ command prompt, first check ensure himem.sys file located in windows folder
 
2.  check make sure path in msdos.sys file correct, or if loading himem.sys config.sys file, path correct in config.sys file. 
 
3.  turn off computer, wait 30 seconds, , turn computer on. 
 
4.  click start , click run , type sysedit , , press enter. 
 
5.  add following line autoexec.bat file:
 
set dos16m=2 
 
6.  save file, , quit system configuration editor. 
 
7.  shut down windows, turn off computer, wait 30 seconds, , turn computer on. 
 
8.  click start , click shut down , click restart , , click ok (or yes ). if computer restarts normally, problem resolved , can skip remaining steps. 
 
9.  if problem still occurs, turn off computer, wait 30 seconds, , turn computer on. 
 
10.  click start , click run , type sysedit , , press enter. 
 
11.  edit config.sys file include following line:
 
device=c:\windows\himem.sys /m:1
note : /m:1 may not work.
 
12.  save file, , quit system configuration editor. 
 
hope helps.

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Windows Server  >  Windows Server General Forum



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