Discrete Configuration on devices with recent or previously unknown SysObjectIDs is not supported. Also unsupported: Chassis View for sub-components on some models.
If you upgrade IOS when you have not copied running-config to Startup-config, provisioning services may fail because of the unexpected device error message below. This message causes “write memory” command to fail. In the application the user may see a message like “failure to terminate telnet session” Device message: Warning: Attempting to overwrite an NVRAM configuration previously written by a different version of the system image.