RHEV 3.0: Cannot find user information.

Solution Verified - Updated -

Environment

  • Red Hat Enterprise Virtualization 3
  • Red Hat Enterprise Linux 6
  • Active Directory

Issue

  • Cannot proceed with the installation of RHEV3 when using Active Directory as the Authentication

Resolution

It's required to create PTR entry into DNS for the following:

  • Name Server (NS) - Start of Authority (SOA)

Example: WIN-TL8JB8JAG8.ad.mydomain.com.

  • Active Directory Name

Example: ad.mydomain.com.

  • RHEVM machine

Example: rhevm.ad.mydomain.com.

Additional info: How to install DNS and Active Directory on Windows R2: https://access.redhat.com/kb/docs/DOC-61497

Root Cause

Customer must to have DNS PTR (Pointer records) correctly.

To check customer if PTR is setup, see below examples:

$ dig ptr 151.123.168.192.in-addr.arp

$ dig ptr 152.123.168.192.in-addr.arp

Diagnostic Steps

# rhevm-setup

Welcome to RHEV Manager setup utility

HTTP Port  [8080] :

HTTPS Port [8443] : Host fully qualified domain name, note that this name should be fully resolvable [rhevm3.medogz.com] : Database password (required for secure authentication with the locally created database) :

Confirm password :

Organization Name for the Certificate: medogz.com

The default storage type you will be using ['NFS'| 'FC'| 'ISCSI'| 'LOCAL'] [NFS] : NFS

Authentication Type ['local'| 'remote']  [local] : remote

Directory Domain name, this will be used for authenticating the administration user: w2008ad.medogz.com

Username, for Directory queries and RHEV Manager administration user: rhevm

Password :

Validating Domain Authentication parameters

Cannot find user information.

This solution is part of Red Hat’s fast-track publication program, providing a huge library of solutions that Red Hat engineers have created while supporting our customers. To give you the knowledge you need the instant it becomes available, these articles may be presented in a raw and unedited form.

Comments