Thank you for your post!
When it comes to assigning Key Vault access policies or Azure RBAC permissions on your Vault, you'll need the
Microsoft.Authorization/roleAssignments/delete permissions, such as those found in the Key Vault Data Access Administrator (preview), User Access Administrator, or Owner roles.
- Managing administrative access to Key Vault
- Troubleshooting Azure Key Vault access policy issues
- Azure Key Vault basic concepts
- Azure built-in roles
I hope this helps!
If you have any other questions, please let me know. Thank you for your time and patience throughout this issue.
If the information helped address your question, please Accept the answer. This will help us and also improve searchability for others in the community who might be researching similar information.