Scavenging

[Rick]

I'm running FE\BE Exchange 2003. my BE is a 2 node A/P Cluster. We
setup scavenging on our subnet. When it runs, it takes out the record
for the BE Cluster name. Does Scavenging see this RR as not being
active because it is for the cluster? if so, how can I tell it not to
deltete this record?

Thanks
Rick

 

[Kevin D. Goodknecht Sr. [MVP]]

I'm running FE\BE Exchange 2003. my BE is a 2 node A/P Cluster. We
setup scavenging on our subnet. When it runs, it takes out the record
for the BE Cluster name. Does Scavenging see this RR as not being
active because it is for the cluster? if so, how can I tell it not to
deltete this record?

If it is scavenging that is removing the record, clear the check box for
"Delete this record when it becomes stale".

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
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[Herb Martin]

If it is scavenging that is removing the record, clear the check box for
"Delete this record when it becomes stale".

Kevin is correct of course.

Hey, Kevin, have you ever figured out how this gets set
other than people just clicking the box because they don't
understand what it means?

This has been bugging me for some time....

 

[Rick]

When I open up the properties for the resource, I do not see the check
box for that option listed.

 

[Kevin D. Goodknecht Sr. [MVP]]

When I open up the properties for the resource, I do not see the check
box for that option listed.

In the DNS console, View menu, select Advanced.

--
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Kevin D. Goodknecht Sr. [MVP]
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[Kevin D. Goodknecht Sr. [MVP]]

Kevin is correct of course.

Hey, Kevin, have you ever figured out how this gets set
other than people just clicking the box because they don't
understand what it means?

No, never figured it out, then I haven't given it much thought. It could be
that the record Rick is talking about was originally dynamically registered,
then it would be enabled, for sure.

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This Helps
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[Rick]

Thank you,

In the DNS console, View menu, select Advanced.

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This Helps
===================================
When responding to posts, please "Reply to Group"
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===================================

 

[Rick]

Our DNS Record for our cluster is still being delteted. I manually
created the DNS record and unchecked the "Delete this record when it
becomes Stale"

Our Lease Duration on the scope is 8 days
Zone Aging/Scavenging is set to 7 hours on both No-Refresh and Refresh
intervals
DNS settings are as follows:

"Enable DNS dynamic updates according t the settings below" is checked
"Dynamically update DNS A and PTR recofrds only if requested by the
DHCP clients"
is checked.
"discard A and PTR records when lease is deleted" is checked
"Dynamically update DNS A and PTR records for DHCP clients that do not
request updates" is checked

Still trying to figure out what might be happening?

Thanks
Rick.

 

[Herb Martin]

Our DNS Record for our cluster is still being delteted. I manually
created the DNS record and unchecked the "Delete this record when it
becomes Stale"

Why would the check box ever "BE CHECKED" so that you
had to "uncheck it"?

It should be clear by default on a manual record.

Is this getting replicated to other DNS servers?

Our Lease Duration on the scope is 8 days
Zone Aging/Scavenging is set to 7 hours on both No-Refresh and Refresh
intervals
DNS settings are as follows:

While it should not be the (direct) cause of your problem that is
an unnecessarily short Aging and Scavenging period.

It will get you into more trouble than it will ever help you.

"Enable DNS dynamic updates according t the settings below" is checked
"Dynamically update DNS A and PTR recofrds only if requested by the
DHCP clients"
is checked.
"discard A and PTR records when lease is deleted" is checked
"Dynamically update DNS A and PTR records for DHCP clients that do not
request updates" is checked

Still trying to figure out what might be happening?

 

[Rick]

Zone Aging/Scavenging is set to 7 "Days", not hours on both No-Refresh
and Refresh
intervals, my mistake.

Rick

Our DNS Record for our cluster is still being delteted. I manually
created the DNS record and unchecked the "Delete this record when it
becomes Stale"

Why would the check box ever "BE CHECKED" so that you
had to "uncheck it"?

It should be clear by default on a manual record.

Is this getting replicated to other DNS servers?

Our Lease Duration on the scope is 8 days
Zone Aging/Scavenging is set to 7 hours on both No-Refresh and Refresh
intervals
DNS settings are as follows:

While it should not be the (direct) cause of your problem that is
an unnecessarily short Aging and Scavenging period.

It will get you into more trouble than it will ever help you.

"Enable DNS dynamic updates according t the settings below" is checked
"Dynamically update DNS A and PTR recofrds only if requested by the
DHCP clients"
is checked.
"discard A and PTR records when lease is deleted" is checked
"Dynamically update DNS A and PTR records for DHCP clients that do not
request updates" is checked

Still trying to figure out what might be happening?

--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]

Thanks
Rick.

 

[Herb Martin]

Zone Aging/Scavenging is set to 7 "Days", not hours on both No-Refresh
and Refresh
intervals, my mistake.

That is a more practical setting. (Some might suggest 4 + 4 for
refresh intervals since your DHCP lease is 8 days.)

(Scavenging is not nearly as useful as it sounds at first, unless
you have a large number of machines which are both highly
mobile AND registering themselves -- as opposed to DHCP
doing it since the DHCP servers will generally remove what
they add, and overwrite when they change an IP assignment.)

--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]

Rick

Our DNS Record for our cluster is still being delteted. I manually
created the DNS record and unchecked the "Delete this record when it
becomes Stale"

Why would the check box ever "BE CHECKED" so that you
had to "uncheck it"?

It should be clear by default on a manual record.

Is this getting replicated to other DNS servers?

Our Lease Duration on the scope is 8 days
Zone Aging/Scavenging is set to 7 hours on both No-Refresh and Refresh
intervals
DNS settings are as follows:

While it should not be the (direct) cause of your problem that is
an unnecessarily short Aging and Scavenging period.

It will get you into more trouble than it will ever help you.

"Enable DNS dynamic updates according t the settings below" is checked
"Dynamically update DNS A and PTR recofrds only if requested by the
DHCP clients"
is checked.
"discard A and PTR records when lease is deleted" is checked
"Dynamically update DNS A and PTR records for DHCP clients that do not
request updates" is checked

Still trying to figure out what might be happening?

--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]

Thanks
Rick.

Rick wrote:
Thank you,
Rick
Kevin D. Goodknecht Sr. [MVP] wrote:
Rick wrote:
When I open up the properties for the resource, I do not see the
check
box for that option listed.

In the DNS console, View menu, select Advanced.

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This Helps
===================================
When responding to posts, please "Reply to Group"
via your newsreader so that others may learn and
benefit from your issue, to respond directly to
me remove the nospam. from my email address.
===================================
http://www.lonestaramerica.com/
http://support.wftx.us/
http://message.wftx.us/
===================================
Use Outlook Express?... Get OE_Quotefix:
It will strip signature out and more
http://home.in.tum.de/~jain/software/oe-quotefix/
===================================
Keep a back up of your OE settings and folders
with OEBackup:
http://www.oehelp.com/OEBackup/Default.aspx
===================================

 

[Rick]

Thank you for the insight,
Rick

Zone Aging/Scavenging is set to 7 "Days", not hours on both No-Refresh
and Refresh
intervals, my mistake.

That is a more practical setting. (Some might suggest 4 + 4 for
refresh intervals since your DHCP lease is 8 days.)

(Scavenging is not nearly as useful as it sounds at first, unless
you have a large number of machines which are both highly
mobile AND registering themselves -- as opposed to DHCP
doing it since the DHCP servers will generally remove what
they add, and overwrite when they change an IP assignment.)

--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]

Rick

Our DNS Record for our cluster is still being delteted. I manually
created the DNS record and unchecked the "Delete this record when it
becomes Stale"

Why would the check box ever "BE CHECKED" so that you
had to "uncheck it"?

It should be clear by default on a manual record.

Is this getting replicated to other DNS servers?

Our Lease Duration on the scope is 8 days
Zone Aging/Scavenging is set to 7 hours on both No-Refresh and Refresh
intervals
DNS settings are as follows:

While it should not be the (direct) cause of your problem that is
an unnecessarily short Aging and Scavenging period.

It will get you into more trouble than it will ever help you.

"Enable DNS dynamic updates according t the settings below" is checked
"Dynamically update DNS A and PTR recofrds only if requested by the
DHCP clients"
is checked.
"discard A and PTR records when lease is deleted" is checked
"Dynamically update DNS A and PTR records for DHCP clients that do not
request updates" is checked

Still trying to figure out what might be happening?


--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]


Thanks
Rick.

Rick wrote:
Thank you,
Rick
Kevin D. Goodknecht Sr. [MVP] wrote:
Rick wrote:
When I open up the properties for the resource, I do not see the
check
box for that option listed.

In the DNS console, View menu, select Advanced.

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This Helps
===================================
When responding to posts, please "Reply to Group"
via your newsreader so that others may learn and
benefit from your issue, to respond directly to
me remove the nospam. from my email address.
===================================
http://www.lonestaramerica.com/
http://support.wftx.us/
http://message.wftx.us/
===================================
Use Outlook Express?... Get OE_Quotefix:
It will strip signature out and more
http://home.in.tum.de/~jain/software/oe-quotefix/
===================================
Keep a back up of your OE settings and folders
with OEBackup:
http://www.oehelp.com/OEBackup/Default.aspx
===================================

 

[Herb Martin]

Thank you for the insight,
Rick

Certainly, you are welcome but it still doesn't address your
REAL problem.

I have no idea how that box gets set if it is NOT a dynamically
registered record.

If you are manually creating the records AND not checking the
"delete when..." box then my only idea is that you have a replication
problem. (Using AD Integrated DNS).

But even this doesn't work fully since if this were the issue how
would the replication of the "deletion" occur....<puzzled look>

Do check replication (since that is ALWAYS a good idea):

DCDiag is your friend.

Run DCDiag on every DC (regularly.)

--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]

Zone Aging/Scavenging is set to 7 "Days", not hours on both No-Refresh
and Refresh
intervals, my mistake.

That is a more practical setting. (Some might suggest 4 + 4 for
refresh intervals since your DHCP lease is 8 days.)

(Scavenging is not nearly as useful as it sounds at first, unless
you have a large number of machines which are both highly
mobile AND registering themselves -- as opposed to DHCP
doing it since the DHCP servers will generally remove what
they add, and overwrite when they change an IP assignment.)

--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]

Rick


Herb Martin wrote:
Our DNS Record for our cluster is still being delteted. I manually
created the DNS record and unchecked the "Delete this record when it
becomes Stale"

Why would the check box ever "BE CHECKED" so that you
had to "uncheck it"?

It should be clear by default on a manual record.

Is this getting replicated to other DNS servers?

Our Lease Duration on the scope is 8 days
Zone Aging/Scavenging is set to 7 hours on both No-Refresh and
Refresh
intervals
DNS settings are as follows:

While it should not be the (direct) cause of your problem that is
an unnecessarily short Aging and Scavenging period.

It will get you into more trouble than it will ever help you.

"Enable DNS dynamic updates according t the settings below" is
checked
"Dynamically update DNS A and PTR recofrds only if requested by the
DHCP clients"
is checked.
"discard A and PTR records when lease is deleted" is checked
"Dynamically update DNS A and PTR records for DHCP clients that do
not
request updates" is checked

Still trying to figure out what might be happening?


--
Herb Martin, MCSE, MVP
Accelerated MCSE
http://www.LearnQuick.Com
[phone number on web site]


Thanks
Rick.

Rick wrote:
Thank you,
Rick
Kevin D. Goodknecht Sr. [MVP] wrote:
Rick wrote:
When I open up the properties for the resource, I do not see
the
check
box for that option listed.

In the DNS console, View menu, select Advanced.

--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
Hope This Helps
===================================
When responding to posts, please "Reply to Group"
via your newsreader so that others may learn and
benefit from your issue, to respond directly to
me remove the nospam. from my email address.
===================================
http://www.lonestaramerica.com/
http://support.wftx.us/
http://message.wftx.us/
===================================
Use Outlook Express?... Get OE_Quotefix:
It will strip signature out and more
http://home.in.tum.de/~jain/software/oe-quotefix/
===================================
Keep a back up of your OE settings and folders
with OEBackup:
http://www.oehelp.com/OEBackup/Default.aspx
===================================