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Article ID: 4056, created on Mar 24, 2008, last review on Apr 18, 2012

  • Applies to:
  • Sphera


DNS does not update after SD 3.5 to SD 3.7 upgrade


The DNS serial number structure was changed between SD 3.5 and SD 3.7. Because of that change, sometimes the new serial number is lower than the old one (even though the upgrade mechanism increases it). When this happens, named does not update the new DNS records as the new serial number is lower than the old one.
The solution for is to send a "kill -HUP named" to the SD and DD's named proccess, which will cause them to reload their configuration, and accept the new serial numbers. 

We have added this issue to our wishlist for the new migration build.

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