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Polaris Migration: System Upgrade Notice

Sonoma County Library is completing system upgrades from July 27 to August 4, 2026. We appreciate your patience and understanding as we work to provide a better experience for you.

System Upgrade Notice

As we prepare for an upgrade to our internal library systems, some services will be temporarily impacted. Beginning Friday, April 10, purchase suggestions will be paused through early fall. We appreciate your patience and understanding as we work to improve your library experience.

Schedule

  • Suggest a Purchase
    April 10 - early Fall. No new suggestions accepted during the time that ordering is limited.
  • LINK+
    July 1 - Mid September - No new LINK+ requests. No renewals of LINK+ items.
  • No ILS
    July 27 - August 5
    • Cannot work in Horizon
    • Polaris not yet available
    • No checkin
    • No AMH
    • No new library cards can be issued
    • Polaris offline mode for checking out
  • BiblioCommons (public catalog)
    July 27 - August 4
    • Browse only mode (patrons cannot login to their account
    • Catalog search will be available but not up to date
    • Hold and renewal requests will not be able to be done by patrons online
    July 27 - August 4
    • Browse only mode (patrons cannot login to their account
    • Catalog search will be available but not up to date
    • Hold and renewal requests will not be able to be done by patrons online
    August 5 - 23
    • Temporary public catalog available (https://sonoma.polarislibrary.com/)
    August 24
    • Tentative relaunch date of BiblioCommons
  • BiblioApp (SCL mobile app)
    July 27 - Aug 24
    • Offline and completely unavailable (patrons cannot login)
  • eResources
    July 27 - August 5
    • Patrons with existing accounts will be able to access digital titles directly from eResources providers
    • No new Libby or Hoopla accounts can be created during this time

Frequently asked questions

  • Why is the Library changing this computer software?
    We are currently be using a product that will be discontinued in the future. To be proactive we are changing to a new product, Polaris, that has a great future.
  • How will this affect me as a patron?
    There will be times during the transition when some services will be temporarily unavailable. Once the move is complete, you'll be able to enjoy an improved experience.