RJohnson91 Posted January 23, 2017 Posted January 23, 2017 Good morning Edugeekers! We are experiencing a small problem in regards to our DHCP scopes across our DC and our BDC. In simple terms, they are not replicating across, as you can imagine this causes problems when setting up reservations, and the BDC not seeing them. To get around this I have been using the Replicate Scope option on our DC when creating reservations, however I want a permanent fix. Anyone seen this happen in their environment and has fixed it? Thanks! Ryan
FN-GM Posted January 23, 2017 Posted January 23, 2017 Do you have split scope setup or failover? If you have failover I would break the relationship and set it back up again. If it is split scope, this is expected to happen. Thanks
DavR Posted January 24, 2017 Posted January 24, 2017 What part of the DHCP scope is it that isn't replicating? If it's reservations and scope options, then this isn't automatic in Server 2012, it only does the address leases I think. I came up on the same problem here when I added a bunch of reservations and wondered why only half of them took!
RJohnson91 Posted January 24, 2017 Author Posted January 24, 2017 (edited) What part of the DHCP scope is it that isn't replicating? If it's reservations and scope options, then this isn't automatic in Server 2012, it only does the address leases I think. I came up on the same problem here when I added a bunch of reservations and wondered why only half of them took! That's interesting, it is the reservation part of the scope. Do you have a link to any credited source to back this up ? Ryan EDIT - https://technet.microsoft.com/en-us/library/dn338983(v=ws.11).aspx / https://www.experts-exchange.com/questions/28949840/DHCP-reservation-replication-issues.html#answer41634304 I have the following articles, makes an interesting read, it would seem you are correct Dave. Edited January 24, 2017 by RJohnson91
DavR Posted January 24, 2017 Posted January 24, 2017 Yeah, I think it treats reservations as part of the configuration, not the main database. I don't have any documentation to hand, but reading around, it is expected behaviour - https://community.spiceworks.com/topic/454940-server-2012-r2-dhcp-failover-replication 1
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