Maybe it's that I'm not understanding the full context of the question, so I apologize for my inability to grasp the disconnect. Let me see if I can explain an issue with USNs, which might help to answer your query.
USNs are used for all replication - not just DNS or a given object. It is used down to tracking changes at an attribute level. For instance, a DNS record is changed and an update is generated - hence a USN is incremented. Later, another DNS record is changed, and an update is generated. The prior update may have a USN of 9826 - the latter has a USN of 12425. So, what accounts for the ~3000 change in USN? All of the other changes that have occurred in user, computer, etc. attributes - not to mention all of the other AD objects, attributes, FRS, etc. Hopefully, this helps you to understand what is happening, even if I'm to dense tonight to grasp the full issue! :) Rick Kingslan - Microsoft MVP [Windows NT/2000] Microsoft Certified Trainer MCSA, MCSE+I - Windows NT / 2000 "Any sufficiently advanced technology is indistinguishable from magic." --- Arthur C. Clarke > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]] On Behalf Of John > S Shukovsky > Sent: Wednesday, October 09, 2002 2:16 PM > To: [EMAIL PROTECTED] > Subject: Re: [ActiveDir] AD AND DNS > > > lets say we have a root and child domain with 2 dc's in > each. root has secondary zone of child. every once in a while > the root will have a higher usn than child? I am using dns > mmc to view usn's. they are not off by just a few but by hundreds > > Rick Kingslan wrote: > > > Can you explain what you mean that the USN's are out of > synch? They > > are not likely going to match, per se. What are you using to > > determine that the USNs are not right? > > > > For all practical purposes, REPLMON would be the correct > tool to use > > as it will show the USN on target and destination, and > discrepancy if > > it exists. > > > > Rick Kingslan - Microsoft MVP [Windows NT/2000] > > Microsoft Certified Trainer > > MCSA, MCSE+I - Windows NT / 2000 > > > > "Any sufficiently advanced technology > > is indistinguishable from magic." > > --- Arthur C. Clarke > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED]] On Behalf Of John S > > > Shukovsky > > > Sent: Wednesday, October 09, 2002 12:58 PM > > > To: [EMAIL PROTECTED] > > > Subject: [ActiveDir] AD AND DNS > > > > > > > > > In test lab we have 4 sites, ad-integrated and standard > zones. All > > > replicates as we would like, no errors, no missing data. > The problem > > > is our USN's are way out of sync? Any clues? much appreciated > > > > > > > > > > > > > > > > > > This E-mail, including any attachments, may be intended > solely for > > > the personal and confidential use of the sender and recipient (s) > > > named above. This message > > > may include advisory, consultative and/or deliberative > > > material and, as such, > > > would be privileged and confidential and not a public > > > document. Any Information > > > in this e-mail identifying a client of the department of > > > Human Services is > > > confidential. If you have received this e-mail in error, you > > > must not review, > > > transmit, convert to hard copy, copy, use or disseminate this > > > e-mail or any > > > attachments to it and you must delete this message. You are > > > requested to notify > > > the sender by return e-mail. > > > > > > > > > > > > List info : http://www.activedir.org/mail_list.htm > > > List FAQ : http://www.activedir.org/list_faq.htm > > > List archive: > > > http://www.mail-archive.com/activedir%> 40mail.activedir.org/ > > > > > > > List info : http://www.activedir.org/mail_list.htm > > List FAQ : http://www.activedir.org/list_faq.htm > > List archive: > > http://www.mail-archive.com/activedir%40mail.activedir.org/ > > > > > > This E-mail, including any attachments, may be intended > solely for the personal > and confidential use of the sender and recipient (s) named > above. This message > may include advisory, consultative and/or deliberative > material and, as such, > would be privileged and confidential and not a public > document. Any Information > in this e-mail identifying a client of the department of > Human Services is > confidential. If you have received this e-mail in error, you > must not review, > transmit, convert to hard copy, copy, use or disseminate this > e-mail or any > attachments to it and you must delete this message. You are > requested to notify > the sender by return e-mail. > > > > List info : http://www.activedir.org/mail_list.htm > List FAQ : http://www.activedir.org/list_faq.htm > List archive: > http://www.mail-archive.com/activedir%> 40mail.activedir.org/ > List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/
