Please excuse cross postings.
Infrastructure Upgrades, Impacting all Regions, 20-21 December 2025
OCLC will be performing critical infrastructure upgrades in our US data centers as part of ongoing modernization and resiliency efforts. This maintenance activity is scheduled from 16:00 EST 20 December 2025 to 04:00 EST 21 December 2025 and will temporarily affect access to certain products and services in all regions.
A selection of outage times follows. To view outage times in your time zone, visit the OCLC System Status Dashboard and verify your time zone is selected in the My time zone dropdown to the right of the screen.
- 2025-12-20 16:00 EST through 2025-12-21 04:00 EST
- 2025-12-20 21:00 GMT through 2025-12-21 09:00 GMT
- 2025-12-21 08:00 ACT/NSW/VIC through 2025-12-21 20:00 ACT/NSW/VIC
Impacted services include:
Community Center, Connexion, CONTENTdm, EZproxy (hosted), FirstSearch, ILLiad, Tipasa, VDX, VIAF API, WMS Availability API, Wise (US only), WorldCat Discovery, WorldCat.org, WorldShare Acquisitions, WorldShare Circulation, WorldShare Collection Manager, WorldShare Indexing, WorldShare Interlibrary Loan, WorldShare License Manager, WorldShare License Manager API, WorldShare Record Manager, WorldShare Reports and Report Designer, OCLC.org
The main service interruption is planned for the first several hours of the maintenance window with possible intermittent service degradation through the duration communicated. We are committed to fully restoring service access as quickly as possible. Due to the complexity of this project, the window may extend beyond the anticipated schedule. If issues are encountered, please consult the Dashboard for the most current information. Users can also subscribe to System Alerts.
We schedule maintenance at times intended to minimize impact for our global members, but we recognize some users may still be affected. We apologize for any inconvenience and appreciate your patience and support.
Kate
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Kate James (she/her/hers)
OCLC · Program Coordinator- Metadata Engagement, Global Product Management
6565 Kilgour Place, Dublin, Ohio, 43017 United States
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