After updating SLES11-SP1 no longer able to login - "error in service module"

This document (7008849) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise Server 11 Service Pack 1


After updating SLES11 SP1 to the latest updates the message: " error in service module " displays when attempting to login to the server and user is unable to do so.


  1. Reboot server.
  2. On the boot options line of the grub menu enter the number 3 to boot into multi-user mode.
  3. Once server is booted, login as root user.
  4. Proceed to backrev the pam-modules package:
  5. zypper in pam-modules-11-1.6.15
    Select 1 to downgrade package
  6. To return to the GUI:
init 5 && exit

Additional Information

Reported to Engineering


This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7008849
  • Creation Date: 20-Jun-2011
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

< Back to Support Search

For questions or concerns with the SUSE Knowledgebase please contact: tidfeedback[at]

SUSE Support Forums

Get your questions answered by experienced Sys Ops or interact with other SUSE community experts.

Join Our Community

Support Resources

Learn how to get the most from the technical support you receive with your SUSE Subscription, Premium Support, Academic Program, or Partner Program.

SUSE Customer Support Quick Reference Guide SUSE Technical Support Handbook Update Advisories
Support FAQ

Open an Incident

Open an incident with SUSE Technical Support, manage your subscriptions, download patches, or manage user access.

Go to Customer Center