By methodically working through cache clearing, NTP verification, proxy adjustments, and manual image import, you can resolve the error without resorting to drastic measures. Moreover, adopting preventive practices like regular cache maintenance and local image repositories will shield your network operations from similar metadata-related failures in the future.

: Specifically, the download of the ISSU Compatibility Matrix ( comp_matrix.xml ) may fail even if the image itself is retrieved. Service Registration

systemctl restart crosswork-proxy systemctl restart crosswork-image-mgmt

The NCSW10301 error in Cisco Catalyst Center typically indicates a failure to retrieve ISSU metadata files from Cisco.com, often stemming from a documented bug (CSCwd15921) in versions 2.2.3.x through 2.3.4.x. Recommended resolutions include manually importing the image, updating the Trustpool bundle, and verifying CCO credentials, as outlined in Cisco documentation and community forums .