SPN for sql 2016 cluster

  • Perry Whittle - Friday, October 5, 2018 5:22 AM

    No, they must use the same account, this is detailed in the pre reqs and restrictions for AGs

    Agreed. A group Managed Service Account is good for this.

    If you want an availability group to work with Kerberos:

    All server instances that host an availability replica for the availability group must use the same SQL Server service account.

    The domain administrator needs to manually register a Service Principal Name (SPN) with Active Directory on the SQL Server service account for the virtual network name (VNN) of the availability group listener. If the SPN is registered on an account other than the SQL Server service account, authentication will fail.

    Source

  • Ok  my two node respond to kerberos authentification but  virtualIp (VNN) cluster respond with NTLM , it's normal or i must do spn for the cluster virtual IP

  • Ok I set spn to VNN  but the CNN goes always to ntlm no kerberos

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