1e41f4b71Sopenharmony_ci# Bundle Manager Subsystem Changelog 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci## cl.bundlemanager.1 Non-MDM Applications Granted with the MDM Permission Cannot Be Installed 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci**Access Level** 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ciSystem APIs 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Reason for Change** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciThe MDM permission can be granted only to MDM applications. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Change Impact** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciNon-MDM applications granted with the MDM permission cannot be installed. 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ciThe **app-distribution-type** field in the [signing certificate](../../../application-dev/security/app-provision-structure.md) is used to determine whether an application is an MDM application. 18e41f4b71Sopenharmony_ci* If **app-distribution-type** is **enterprise_mdm**, the application is an MDM application. 19e41f4b71Sopenharmony_ci* If **app-distribution-type** is not **enterprise_mdm**, the application is a non-MDM application. 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ciThe **availableType** attribute in the **definePermissions** field in the [config.jso file](https://gitee.com/openharmony/utils_system_resources/blob/master/systemres/main/config.json) is used to determine whether the MDM permission is granted. 22e41f4b71Sopenharmony_ci* If **availableType** is **MDM**, the MDM permission is granted. 23e41f4b71Sopenharmony_ci* If **availableType** is not **MDM**, the MDM permission is not granted. 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci**Change Since** 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ciOpenHarmony SDK 4.1.3.1 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci**Key API/Component Changes** 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ciTo grant the permission to an application, declare the permission in the [module.json5 file](../../../application-dev/quick-start/module-structure.md#internal-structure-of-the-reqpermissions-attribute) if the application is developed based on the stage model or in the [config.json file](../../../application-dev/quick-start/module-configuration-file.md#requestpermissions) if the application is developed based on the FA model. Non-MDM applications cannot apply for the MDM permission. 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci**Adaptation Guide** 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ciCheck whether your application is an MDM application. If not, do not request the MDM permission. 36