Re: DHCP updates to DNS question

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Hi Mike,

Thanks for updating.

I am happy to know my suggestion is helpful. Please monitor the server to
see if the problem will reoccur.

I am looking forward to hear from you.

If you need further assistance, please don't hesitate to let me know.

Best regards,

Robert Li(MSFT)

Microsoft CSS Online Newsgroup Support

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<From: Mike H <mkREMOVEhuskeyALL@xxxxxxxxxxxxxxxxxxx>
<Subject: Re: DHCP updates to DNS question
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<Date: Tue, 22 May 2007 12:44:46 -0700
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<
<Just an update, Robert -- I'm still tweaking the scavenging periods.
<Once in a while I'll lose a workstation's or printer's DNS pointers, and
<once in a while I'll end up with 2 IP addresses for the same name. For
<the most part, though, scavenging seems to be operating correctly.
<
<I think I need to be thinking in terms of days:hours:minutes to get DHCP
<and DNS sync'd, and not just days.
<
<Sorry it took so long for this update. I had serious issues after
<updating a NIC driver, and then entering a bad public IP for the server
<on top of that. I'm just now back to "normal"!
<
<Mike
<
<On Tue, 03 Apr 2007 10:59:15 GMT, Robert Li [MSFT] wrote:
<> Hi Mike,
<>
<> Thanks for your prompt reply.
<>
<> Please take your time to try these suggestions, if you have any updates
or
<> need any further assistance on this issue, please do not hesitate to let
me
<> know. I am glad to be of assistance. :-)
<[snip]
<> --------------------
<> <From: Mike H <mkREMOVEhuskeyALL@xxxxxxxxxxxxxxxxxxx>
<> <Subject: Re: DHCP updates to DNS question
<[snip]
<> <
<> <Hi Robert. I hadn't replied to your last post. I wanted you to know that
<> <I'm waiting for the scavenging parameters to be met. I'm looking forward
<> <to seeing the effect.
<> <
<> <If I have trouble I'll post back. Seems to me I should see my first
<> <automatic scavenging on April 7. If I understand all that I've read, at
<> <that time I'll reset the scavenging intervals to my "more desirable" 7
<> <days and 7 days.
<> <
<> <Thank you for your pointers!
<> <
<> <Mike H
<> <
<> <On Fri, 30 Mar 2007 09:35:42 GMT, Robert Li [MSFT] wrote:
<> <
<> <[Snip]
<> <> 2. When the scavenging is performed by the server, each record is
<> compared
<> <> to current server time on the basis of the following sum to determine
<> <> whether the record should be removed:
<> <>
<> <> Record time stamp + No-refresh interval for zone + Refresh interval
for
<> zone
<> <>
<> <> --If the value of this sum is greater than current server time, no
<> action
<> <> is taken and the record continues to age in the zone.
<> <>
<> <> --If the value of this sum is less than current server time, the
record
<> is
<> <> deleted both from any zone data currently loaded in server memory and
<> also
<> <> from the applicable DnsZone object store in Active Directory for the
<> <> directory-integrated "example.microsoft.com" zone.
<> <[Snip]
<> <> When the server is ready to scavenge records, it examines all the
<> records
<> <> in the zone one by one. If the timestamp is not zero and the current
<> time
<> <> is later than the time specified for the record plus the no-refresh
<> <> interval plus the refresh interval for the zone, it deletes the
record.
<> <>
<> <> In order for periodic scavenging to occur, there are some
requirements
<> as
<> <> following:
<> <> 1. Server must be set to enable scavenging (Server Properties,
Advanced,
<> <> Enable automatic scavenging)
<> <> 2. Zone must be set to enable scavenging (Zone Properties, General,
<> Aging
<> <> button)
<> <> 3. Dynamic update must be enabled
<> <> 4. Current time is greater than zone parameter "StartScavenging"
<> <>
<> <> Considering system performance, and DNS records update, default value
of
<> <> scavenging date: non-refresh interval and Refresh time are set to 7
<> days.
<> <> Server can scavenge records that weren''t refreshed during refresh
<> interval
<> <> which comes after non-refresh interval.
<> <[Snip]
<>
<

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