Upcoming ILLiad Security Update on March 1st, 2022

Hello ILLiad Community,

Atlas Systems will be releasing an update to patch a potential security vulnerability for all applications supporting the log4net components tomorrow March 1st, 2022. This hotfix will be released to all supported versions of ILLiad (v9.0, v9.1, & v9.2 for beta testers). There will be both a server and client update required. Note: updating procedures vary based on product/version. For details on the update, please see the ILLiad 9.1 or 9.0 release notes based on your current version.

Updating Procedure

Please review the updating instructions and contact your hosting provider with any questions. 

Client Update: Your clients will receive a prompt to update as soon as the new version is released or download and run the Client Installer from the ILLiad Downloads page to install the new client applications and SQL Alias Manager.

Server Update:

  • OCLC Hosted: Please contact OCLC support to schedule the update.
  • Atlas Systems Hosted: Hosting services will be sending a separate email to coordinate the update.
  • Self-hosted: Please review the updating instructions to run the ILLiad Server Updater located at C:\ILLiad\Admin\ILLiadUpdate.

Please forward this message internally as needed. If you have any questions, please let me know.


Sara Juel, MBA
Access Services Product Manager
Atlas Systems - Library excellence through efficiency
Phone: 757-439-0208

“Training from anywhere…Enroll in an online training course from home or office.




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