Tag Archives: Kerberos

Authenticate Oracle 12c database users against Active Directory

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Following is tested with Oracle 12.1 on Linux 6 (on Exadata) and a Windows 10 client.

“Yet another blog on how to authenticate database users against Active Director using Kerberos…”

I have read and tried a view blogs on how to get this done, but somehow I have found them a bit limited because they talk about a simple configuration with one database on one host. When you have to deal with multiple hosts and multiple databases per host, you need to take some things into account.

Lets start with some explanations, a walk through is below that.
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SQLNET.KERBEROS5_CONF_MIT : Unsupported Parameter in 12.1

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https://docs.oracle.com/database/121/NETRF/changes_rf.htm#NETRF2100

  • Unsupported ParametersThe following parameters are no longer supported: 
    • SQLNET.KERBEROS5_CONF_MIT

No it’s not!

If you leave it out, you will get:

Password for airell@[logging]:

In stead of:

Password for airell@DOMAIN.LOCAL:

If you leave it out, one must not use the MIT layout… but where is the non-MIT layout described? It looks like the domain must be present on the first line of the file… for now, I will still use the MIT layout.

Cheers!