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Known Issues and New Alerts

For additional known issues with OCLC services, please see Known Issues If you are experiencing a problem that does not match a posted alert, we may not be aware of the issue yet. Please report symptoms to your Regional Service Provider or call OCLC Customer Support at 1-800-848-5800 (USA) or +1-614-793-8682.

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Standard OCLC Service Hours

OCLC Connexion (including CatExpress, WebDewey), Z39.50 Cataloging, WorldCat Selection, OCLC FirstSearch, WorldCat Resource Sharing, WorldCat Collection Analysis, and OCLC Local Holdings Maintenance are regularly available 24 hours, Monday through Sunday. OCLC occasionally conducts maintenance on these systems, which is typically completed on a Sunday from 2 am - 6 am ET. OCLC usually provides advance notice about these maintenance periods.

RLG databases are generally accessible for searching or record supply 24 hours a day, 7 days a week. Routine maintenance for the RLG Union Catalog is scheduled for Sunday through Thursday, 9:00 - 9:15 p.m. (21:00 - 21:15) Pacific Time (UTC-8).