Server Multiple Errors ‘kGotAuthenticationFailure’

Hello: I have an osx server running open directory for WiKi and iCal services, it's been running fine for 6 months. Started getting a error message on the server display, Multiple errors have occurred, please see console for error messages. This is what I'm seeing in the console messages: 'kGotAuthenticationFailure' while processing a command of type: 'readSettings' in plug-in: 'servermgr_jabber' 3/31/10 7:08:27 AM Server Preferences[511] XSAdminQueueController: gotServerError: kGotAuthenticationFailure forTransaction: 'kGotAuthenticationFailure' while processing a command of type: 'getState' in plug-in: 'servermgr_afp' 3/31/10 7:08:27 AM Server Preferences[511] XSAdminQueueController: gotServerError: kGotAuthenticationFailure forTransaction: 3/31/10 7:08:27 AM Server Preferences[511] 'kGotAuthenticationFailure' while processing a command of type: 'readSettings' in plug-in: 'servermgr_calendar' 3/31/10 7:08:27 AM Server Preferences[511] XSAdminQueueController: gotServerError: kGotAuthenticationFailure forTransaction: 3/31/10 7:08:27 AM Server Preferences[511] I can not find an explanation of these errors anywhere, can anyone shed any light on what's going on here. Thanks in advance.