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We're in the process of migrating from Bluecat Adonis (BIND) DNS appliances to Windows 2008 R2 DNS servers.

I configured to transfer from the BIND appliance, and all of the records in it appear to transfer successfully. However, there are several sub-domains which transfer, but the records within them do not. For example, transfers, but does not contain any records.

If I configure one of the sub-domains as a top-level forward lookup zone, the records transfer successfully.

The ACLs on the BIND appliance appears to be correct.

Any suggestions would be greatly appreciated.

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A zone transfer will only copy records in the zone that's being queried. The appliance seems to have a separate zone configured in BIND for the subdomains; those records will not be included in a transfer request for the parent domain.

In order to populate the Windows servers via zone transfers, you'd need to mirror the zone configuration exactly; if the BIND server has a zone defined for the subdomain, the Windows server will need to have its own secondary zone configured to transfer it.

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Thanks Shane. You're right; each subdomain has its own zone file. That's why it wasn't transferring. I'll either import the records for each subdomain, or configure secondaries for each subdomain explicitly. – wjspriggs Mar 5 '12 at 20:50

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