Pages

Friday, February 25, 2011

Reload, Transfer or Reload from Master DNS secondary zone?

Often confusion arises when manually updating the DNS zone.
Reload, Transfer From Master or Reload from Master - what to choose?
Open the book "MCTS Exam 70-642: Cinfiguring Windows 2008 Network Infrastructure" on the page 201 and carefully read the following:
"...
Manaully Updating a Secondary Zone
...
  • Reload This operation reloads the secondary zone from local storage.
  • Transfer From Master The server hosting the local secondary zone determines whether the serial number in the secondary zone's SOA resource record has expired and then pulls a zone transfer from the master server.
  • Reload From Master This operation performs a zone transfer from the secondary zone's master server regardless of the serial number in the seconadry zone's SOA resource record.
..."