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Re: XEN preventing W2K3 Server from joining AD domain?
On 17.12.2010 23:38, Doug Sampson wrote:
> I'm no tcpdump expert but I went ahead and tried. Results as follows:
> xen# tcpdump -ni wm0 src or dst 192.168.101.4 and ether host
> tcpdump: verbose output suppressed, use -v or -vv for full protocol
> listening on wm0, link-type EN10MB (Ethernet), capture size 96 bytes
> 14:22:05.674037 IP 192.168.101.43.57510 > 192.168.101.4.53: 4464+ SRV?
> _ldap._tcp.dc._msdcs.dawnsign.com. (51)
> 14:22:05.674670 IP 192.168.101.4.53 > 192.168.101.43.57510: 4464*
Well, can't see anything suspicious, it seems to get the _ldap SRV
record and connect to DS. Hmm.
> I am not sure how to interpret this. This is the tcpdump dump of my
> attempt to join the domU Win server to the AD domain. 192.168.101.4 is
> the AD server and 192.168.101.43 is the domU Win guest.
> On a separate issue, I noticed that after the initial bootup of the domU
> Win guest, time synchronization no longer works. The time is within 5
> minutes of the AD server's time so it shouldn't be a factor.
It's in the range, correct. 5 min is the max default value for
authenticators to be valid. Be sure that the default wasn't lowered,
it's a "joke" I sometimes encountered :)
> But I am at
> this point suspecting the virtual network interface as being the
> culprit. But, again, I am unsure as to how to go about diagnosing it.
> Are there other vif types besides ioemu that I could look into? I see
> that Windows detected and installed the Realtek RTL8139 driver for the
> virtual interface. Is this the correct driver to use? I googled for
> various vif types but couldn't locate any.
> Any additional assistance you could provide would be greatly
Xen uses qemu-dm to emulate devices, and many commands from vanilla qemu
work from within config files. Try:
vif = [ 'mac=00:16:3e:00:00:13, bridge=bridge0, type=ioemu, model=e1000' ]
(or any "model" you want -- see qemu(1))
BTW, is there anything in the event logs for the virtualized Windows server?
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