[ntp:questions] Issues with w32tm on AD network

Danny Mayer mayer at ntp.isc.org
Wed Feb 27 17:25:16 UTC 2008

Martin Burnicki wrote:
> Danny,
> Danny Mayer wrote:
>> Martin Burnicki wrote:
>>> I have recently received a note from someone who seemed to be very
>>> familiar with Active Directory. That person told me whn w32time starts it
>>> makes an entry in the LDAP directory which tells the clients at logon
>>> that this server is also their time server.
>> I tried running w32time on my domain controller at home and saw nothing
>> in the DNS records which is where I would have expected to put such
>> information, specifically an SRV record.
>> The only other possibility that I can think of is by looking at the
>> Active Directory LDAP tree which I didn't have time to look at,
>> particularly as I would need to know where to look. I find it harder to
>> believe that they would put information there but you never know.
> I've mentioned in my earlier post that the entry is supposed to be in the
> LDAP tree. Why should this be in DNS? Directory services have been designed
> to as a database to keep track of objects and attributes of those objects.

Because thats the right place to put it. Putting in the LDAP tree means 
a lot of additional work. Creating and using an SRV record is simple.

> I guess a Windows domain would work without a local DNS since the names of
> the Windows machines could also be resolved by the WINS service ...

Not with W2003. WINS won't help with things like w32time.

> Martin

More information about the questions mailing list