![dschwind_0-1706206583264.png dschwind_0-1706206583264.png](https://community.cisco.com/t5/image/serverpage/image-id/208550i87848DA732E07580/image-size/medium?v=v2&px=400)
It is not installed, it is not a service. Is it necessary to load SP1 when doing incremental upgrades for CSM? We're trying to upgrade to 4.28. We did have CrowdStrike uninstalled thinking that might be a problem.
Thanks in advance for any advice.
Dennis