The log showed a mismatch between the OAuth scopes you expected and the ones your LDAP integration actually granted.
LDAP OAuth scopes management is not a side detail. It is the control point for what a user or service can read, write, or change once authenticated. If you map scopes incorrectly, you create silent failures or dangerous over-permissions.
An effective approach starts with a clear map of your directory structure and the OAuth permissions you allow. Each LDAP group should have a precise mapping to a defined set of OAuth scopes. Avoid generic scope grants. Tie every permission to an operational need.
Centralize scope configuration in your identity provider. Keep a single source of truth for role-to-scope mappings. Automate sync between LDAP groups and OAuth clients using API calls or configuration as code. This reduces drift and the risk of outdated settings.