OCLC System Alerts

You may sign up to receive email notifications of system outages for most OCLC services.

Active Alerts

02 October 2015, 11:03 AM Eastern Daylight Time, North America [UTC -4]

Scheduled: Reminder: Oracle Maintenance

AFFECTED SERVICES: Product Services Web, WorldShare ILL, WorldCat, WorldCat Digital Collection Gateway, WorldCat Selection service

CREATED: 21 September 2015, 05:29 PM Eastern Daylight Time, North America [UTC -4]

On Sunday, 4 October 2015, we have a scheduled database upgrade to support system performance and reliability. During this 4 October upgrade, several OCLC services will be unavailable from 2:00 am to approximately 6:00 am US ET.

Inactive Alerts

24 September 2015, 04:00 PM Eastern Daylight Time, North America [UTC -4]

Resolved: Discovery Performance Issues


CREATED: 24 September 2015, 12:21 PM Eastern Daylight Time, North America [UTC -4]

Update: 01:23 PM EDT
Discovery performance is operating normally. The services were resolved at 12:36 PM EDT and were checked thoroughly to ensure the stability.

We are experiencing performance issues with WorldCat Discovery. We are investigating the issues and will post updates as we know more.

24 September 2015, 12:00 AM Eastern Daylight Time, North America [UTC -4]

Resolved: CONTENTdm Service is currently unavailable


CREATED: 23 September 2015, 07:06 PM Eastern Daylight Time, North America [UTC -4]

Update: 08:24 PM EDT
CONTENTdm services are back up and operating normally

Update: 07:47 PM EDT
CONTENTdm services have stabilized, but we are still investigating the issue.

CONTENTdm Service is currently unavailable. Navigating to a CONTENTdm site in a browser may result in a timeout.

We are a worldwide library cooperative, owned, governed and sustained by members since 1967. Our public purpose is a statement of commitment to each other—that we will work together to improve access to the information held in libraries around the globe, and find ways to reduce costs for libraries through collaboration. Learn more »