IBM Support

Getting "cmNoWrite" or "Unknown Error" while setting up S3 bucket connection in Cognos Analytics

Troubleshooting


Problem

For any nonsystem admin user trying to set up an Amazon S3 connection in Cognos Analytics following the document: 

https://community.ibm.com/community/user/businessanalytics/blogs/antonio-marziano/2019/12/25/how-to-setup-cloud-object-storage-and-amazon-s3-bu

The user sees the error "cmNoWrite" or "Unknown Error" at step 12 or 13. This error comes after providing the Access Key and the Secret Key and then trying to click TEST or Create and Continue

error message cmNoWrite

Symptom

The connection might test successfully but the users are not able to select the S3 bucket in the next step, prompting with the error at the top of the window "cmNoWrite" or "Unknown Error".

Document Location

Worldwide

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Document Information

Modified date:
06 May 2025

UID

ibm16598389

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