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CSM Image Manager unable to download images from CCO due to certificate change for



On October 11th 2019, the SSL certificate for has been renewed as the previous one was about to expire. As a result of this change, CSM Image Manager's certificate repository not longer validates the certificate. As a result Image Manager will not be able to download any software images from the files repository until the new certificate is imported.

This currently affects all CSM versions.


If you CSM server is unable to communicate with, the Image Manager may display the following error when trying to update the image listing:

Update failed. Last updated at...

Screen Shot 2019-10-15 at 10.06.28 AM.png


In addition, when trying to download an image from, the list, the following error will be shown:

Failed with Exception

Screen Shot 2019-10-15 at 10.07.02 AM.png


The certificate store entry for can be updated with the new certificate by following these steps:

  1. Navigate to Tools > Security Manager Administration > CCO Settings.

  2. In the Certificates section, remove the certificate by selecting it from the table and click on Remove.

    Screen Shot 2019-10-15 at 9.43.04 AM.png

  3. Retrieve certificate by selecting Other, entering "" in the text box and clicking on "Retrieve certificate".

    Screen Shot 2019-10-15 at 9.47.41 AM.png

  4. On next pop-up screen clink on "Accept"

    Screen Shot 2019-10-15 at 9.47.50 AM.png

  5. Launch Image Manager and click on check for updates button Screen Shot 2019-10-15 at 9.51.55 AM.pngon the right hand top corner:

    Screen Shot 2019-10-15 at 9.58.07 AM.png

After making these changes, Images should be downloaded without issue, and the Image list should update as expected.


Screen Shot 2019-10-15 at 9.56.09 AM.png

Screen Shot 2019-10-15 at 10.16.19 AM.png

Note: This will also affect GeoIP and IPS signature downloads.


More Information

Consult the CSM configuration guide for more information about certificate handling within CSM.