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Not getting an address from DHCP and XP not able to Join 2003 Domain

Hi , i have setup a windows 2003 domain controller , which is all so my DNS , and DHCP server,
im sure both are correctly setup. 1st of all when i try to join xp laptop to domain i noticed it was not getting an address from DHCP so i checked cable etc checked dhcp that it was auhorised in AD and scope etc all looked ok.
2nd i manually gave the laptop an address of 192.168.0.35 which is on the same subnet as domain controller etc and gave it the DNS server address which are both 192.168.0.1. then test this by pinging the DC by name and ip which worked , and pinged laptop from DC which worked ok as well, done NSlookup on laptop which returned ip address but default server unknown.
3rd i try to join the domain again which it has sortof done but i get an error on the laptop computer name changes " the specified server cannot perform the requested operation"
4th when i check AD users and computers the laptop is in the computers container wih a red X hence the account is disabled from here i can right click it and enable it bit the laptop still does not appear to be a member of the domain.
just in case this helps i have a netgear cable router which i have switched off DHCP and gave a static address of 192.168.0.25, and is not acting as a cable router ie no internet connection set up on it this is acting as a switch for my network i can ping from both DC and laptop.
cheers
ps also checked event veiwer on DC no enterys apart from W32time and checked Xp laptop which has the same error . Thanks
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jamster69
Asked:
jamster69
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6 Solutions
 
KCTSCommented:
It may be worth chacking the time on the machines - mae sure they are within 5 mins of each other

Also try stopping and resarting the netlogon service on the DC to re-register the SRV records
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rindiCommented:
Make sure DNS on the server is setup correctly. Don't use any outside DNS servers. DNS on the server should point to itself, and the DHCP config should also only have the server's IP as DNS servers, and no others.
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jamster69Author Commented:
Thanks guys for getting back so quick , tryed all of the above but to no avail. The time is the exact same on both. DC lan network card DNS points to itself. DHCP has only 192.168.0.1 which is its self ie DNS server cheers
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jamster69Author Commented:
should netlologon be started on the xp laptop , at the moment it is stopped , i have changed it to automatic , but his didn't fix the problem, anyway cheers
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jamster69Author Commented:
can i also add the DC is mutli homed ie one network card it attached to the internal network the other to internet. As this server is going to be an ISA server also , home test network. i get internet access ok form this server. cheers
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rindiCommented:
Is DHCP Active and running?
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jamster69Author Commented:
Hi Rindi , yes DHCP active and running , cheched services ok , checked DHCP console ok active with green arrow cheers
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majidhajaliCommented:
first synchronize the time of your server and client, more that 5 minutes skew time isn't acceptable.
second reset or delete your computer account from your AD.
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jamster69Author Commented:
Hi majidhajali , could u remind me how to do this properly as i have done it manually by just changing the clocks on the taskbar to be the exact same , i know there is a command to do this thanks
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jamster69Author Commented:
i have read all microsft articles and resynch client with the domain controller which is it's slef the pdc and synch the time to it's self , hence i get event ID 12 but according to microsoft this is ok. Still have orginal problem cheers
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jamster69Author Commented:
Hi still getting the same problems i think it is defo DHCP , im sure its setup correctley , i change the router to a linksys , with a ip address of 192.168.0.30, turned of dhcp on router can ping latop when it has a static ip and vice versa to the DC . I plugged the laptop straight into the internet connection and done a time synch with time.windows.com. Still have samew problem not getting an address from DHCP and unable to join domain correctly . cheers
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jamster69Author Commented:
YIPPEE problem fixed guys thanks for everyones input. Managed to get working by myself!
well today i still had the problem , but this server was meant to be Win2003 sp3 DC, DNS, DHCP, but i was also going to install ISA 2004 , but before i done this i had the problem with DHCP and joining the domain. But i thought stuff it i will install ISA 2004 anyways but still had the orginal problem after i installed it. But what i done after isa 2004 was installed was create 2 rules for dhcp on the off chance and hey presto !! it worked , so my conclusion is the firewall on the internal network card was the problem  before i installed ISA ,not letting out DHCP Acks etc again thanks for your input cheers
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KCTSCommented:
Ok glad you are ok now
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