Troubleshooting
Problem
Scheduled reports fail to send by e-mail even though the SMTP server tests fine in Cognos Configuration. Multiple error messages are generated.
Symptom
CNC-SDS-0408 There are email messages waiting to be sent.
CNC-SDS-0410
The email message was not sent. Approximate message size: [59 KB] The Mail
server returned this error: [530 5.7.1 Client was not authenticated ]
CNC-SDS-0335 Error returned from SMTP Server. The error message was: [530 5.7.1
Client was not authenticated ]. The message could not be sent.
[{"Product":{"code":"SSEP7J","label":"Cognos Business Intelligence"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Cognos Administration","Platform":[{"code":"PF033","label":"Windows"}],"Version":"10.2.2;10.2.1;10.2;10.1.1;10.1;8.4.1","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SS6G84","label":"IBM Cognos Analytics on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSLKT6","label":"IBM Maximo Asset Management"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]
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Document Information
Modified date:
13 January 2026
UID
swg21343267