WebAccess Security Token Outage 4/2
WebAccess use of Security Tokens will not be available Wednesday, April 2 from 5:00 a.m. to 7:00 a.m. This is due to a scheduled upgrade of the GI server (see Alert 3007), which provides the token service.
More information: WebAccess Security Token Outage 4/2
Story added 2. April 2014, content source with full text you can find at link above.