LDAP: error code 49 data 52e


Within the application log file you see the error message LDAP: error code 49 - 80090308: LdapErr: DSID-0C090404, comment: AcceptSecurityContext error, data 52e. Because of this error you can't log into the Datameer service, even after a restart. 


This is related to an incorrect or expired password for the directory service and which is stored under Active Directory Authentication


  • For maintenance, stop the Datameer service.
  • Switch back to internal authentication via mysql -udap -pdap dap -Bse 'UPDATE property SET value = 'true' WHERE name = 'authentication.internal';'
  • Start Datameer and log in as superuser.
  • Re-configure Datameer to LDAP authentication and set the correct password.