"KG" <KG@discussions.microsoft.com> wrote in message
news:0EA532C8-AB09-412E-B24A-6B8DFEB339AA@microsoft.com...
> By any chance does the scavenging interval need to be less than the number
> of
> days between reboots?

No.

> Our DNS server reboots every 7 days.

But why? There is an old admins tale that this is somehow needed but
healthy machines do NOT require it.

> Our scavenging
> interval is also 7 days. The date the zone can be scavenged gets changed
> when the server reboots. Then a day or two later DNS scavenging should
> run
> but nothing happens. I don't even get a message saying that it ran but
> didn't do anything. I have tested this on our lab network and when I set
> the
> scavenging interval to less than the reboot interval it seems to work.
> When
> I make the 2 the same scavenging doesn't seem to take place.

There is nothing (particularly) wrong with reducing the Scavening Period,
it is reducing the Refresh and NoRefresh intervals that gets people in
trouble.

> TIA
>
> "Herb Martin" wrote:
>
>>
>> "KG" <KG@discussions.microsoft.com> wrote in message
>> news:A59A4C56-F7B9-4C0F-967C-2CB10D6A6CD3@microsoft.com...
>> >I have enabled ageing and scavenging on one of our servers. I set the
>> > forward and reverse zones to scavenge with 15 days no refresh and 15
>> > days
>> > refresh. I set the server to scavenge with 15 days no refresh and 15
>> > days
>> > refresh. I checked the box on the server properties advanced tab to
>> > start
>> > scavenging and do it every 7 days. The date on the zone for eligible
>> > to
>> > be
>> > scavenged was today at 3am. When I came in this morning the date is
>> > now
>> > 4/15
>> > but it doesn't appear that anything was deleted. I do not have any
>> > messages
>> > in the event log related to DNS. DNS is AD integrated. What am I
>> > missing
>> > here?
>>
>> With 15 + 15 (norefresh + refresh) or 30 days on the zone/records you
>> shouldn't
>> see anything leave for at least a month. Then it will be another 0-15
>> days
>> before
>> the Server runs the scavenger.
>>
>>
>>