You can construct base layer override policies to address issues that might occur when base layers are updated. Avoid Incompatibility When CVD and Base Layer Applications Share a ComponentA base layer update can cause a shared component to be unusable by an application that does not support the new component version. Avoid Losing Customizations at Initial Provisioning of a Global Configuration FileA base layer update can cause local customization of shared files to be lost. Parent topic: Applying a Base Layer Override Policy