Hi there, I managed to test the XP CD today but unfortunately the following winnt.sif file didn't add the DNS Suffix either.
;SetupMgrTag
[Data]
//removed
[Unattended]
//removed
[GuiUnattended]
//removed
[UserData]
//removed
[TapiLocation]
//removed
[RegionalSettings]
//removed
[Identification]
JoinWorkgroup=BetaONE
[Networking]
InstallDefaultComponents=No
[Components]
msmsgs=off
msnexplr=off
zonegames=off
iis_www=On
[NetAdapters]
Adapter1=params.Adapter1
[NetClients]
MS_MSClient=params.MS_MSClient
[NetServices]
MS_SERVER=params.MS_SERVER
[NetProtocols]
MS_TCPIP=params.MS_TCPIP
[params.MS_TCPIP]
DNS=Yes
UseDomainNameDevolution=No
EnableLMHosts=Yes
AdapterSections=params.MS_TCPIP.Adapter1
[params.MS_TCPIP.Adapter1]
SpecificTo=Adapter1
DHCP=Yes
WINS=No
NetBIOSOptions=0
DNSDomain=csse.uwa.edu.au
Thanks,
McoreD