Article - CS362548
Error in ThingWorx on login via Active Directory "authentication for user [xxxxx] failed. [reason: javax.naming.AuthenticationException: [LDAP: error code 49 - 80090308: LdapErr: DSID-0Cxxxxxx, comment: AcceptSecurityContext error, data 52e, xxxx"
Modified: 16-Jun-2025
Applies To
- ThingWorx Platform 9.1 to 9.6
Description
- Authentication fails when logged in via Active Directory
- Error logged in SecurityLog with message about Active Directory authentication failure:
authentication for user [xxxxx] failed. reason[javax.naming.AuthenticationException: "LDAP: error code 49 - 80090308: LdapErr: DSID-0Cxxxxxx, comment: AcceptSecurityContext error, data 52e" - Authentication through Active Directory (LDAP) is enabled
- Error only seen in instances where Active Directory is configured
- Initially, authentication is attempted via AD authenticator, which fails for local users
- Subsequent authentication via basic authenticator is successful for local users
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