Error NCSW10301 occurs in Cisco Catalyst Center when the system fails to download the ISSU Compatibility Matrix, which is linked to a known software defect. Affected users can resolve this issue by manually downloading the software image and importing it directly into the repository, or by reviewing Field Notice FN74033 regarding certificate updates. For detailed troubleshooting, visit Cisco Support.
Proxy Configuration: If the appliance is behind a proxy and the SWIM engine is not correctly utilizing the proxy settings, metadata requests will fail. Step-by-Step Troubleshooting and Fixes 1. Manual Image Import (The Guaranteed Workaround) Error NCSW10301 occurs in Cisco Catalyst Center when