Getting LDAP error Code 49: invalid credentialsIssue New ServiceNow administrators who are setting up LDAP servers for the first time may not be following the documentation properly and the connection test may fail. Errors in the LDAP log look like this: ErrorCode: 49. ErrorMessage: Invalid credentials. ReleaseNAResolution When setting up the LDAP server record, the login distinguished name must include the domain such as domain\login or login@domain.com Check out the related link info for more information. Related LinksDefine an LDAP Server, the relevant section is under "Login distinguished name".