In many SCCM environments, enabling delta content downloads for third-party or feature updates can cause a total download failure.
: Set "Allow clients to download delta content when available" to No . cas failed to download update error = 0x80d02002
The error in the Content Access Service (CAS.log) typically indicates that the Microsoft Configuration Manager (SCCM) client failed to download updates due to connectivity issues, corrupted components, or specific client-side policy conflicts. It is often tied to Delivery Optimization (DO) or issues with the local Windows Update cache. Top Fixes for Error 0x80d02002 1. Disable "Download Delta Content" Policy In many SCCM environments, enabling delta content downloads
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old ren C:\Windows\System32\catroot2 catroot2.old Restart the services: It is often tied to Delivery Optimization (DO)
A missing registry value for the can cause updates to remain stuck at 0% with this error code.
net start wuauserv , net start cryptSvc , net start bits , and net start msiserver . 3. Verify Registry for Delivery Optimization
Stop the update services by running these commands one by one: net stop wuauserv net stop cryptSvc net stop bits net stop msiserver Rename the cache folders: