Shibboleth & Central Authentication Service (CAS) Maintenance

On Sunday, April 10, from 9:00 a.m. to 10:00 a.m., the vendor will be upgrading Shibboleth/CAS to address security vulnerabilities. No impact is expected however, it is possible that during the maintenance some users might experience login issues with applications using the Shibboleth/CAS service.

If you experience issues authenticating using Shibboleth or CAS after the maintenance period, please contact the ITS Support Center at 703-993-8870 or