The IMSAdminBase COM interface of the IIS Admin Base Object exposes the following methods:
| Method | Description |
| IMSAdminBase::AddKey | Adds a key to the metabase. |
| IMSAdminBase::Backup | Backs up the metabase to a backup file. |
| IMSAdminBase::ChangePermissions | Changes read/write permissions on a handle to a key. |
| IMSAdminBase::CloseKey | Closes a key. |
| IMSAdminBase::CopyData | Copies or moves data between keys. |
| IMSAdminBase::CopyKey | Copies or moves a key in the metabase. |
| IMSAdminBase::DeleteAllData | Deletes all or a subset of the data associated with a key. |
| IMSAdminBase::DeleteBackup | Deletes a metabase backup from a backup file. |
| IMSAdminBase::DeleteChildKeys | Deletes all subkeys of a key. |
| IMSAdminBase::DeleteData | Deletes a data entry. |
| IMSAdminBase::DeleteKey | Deletes a key from the metabase. |
| IMSAdminBase::EnumBackups | Enumerates the metabase backups in a backup file. |
| IMSAdminBase::EnumData | Enumerates the data associated with a key, one entry per call. |
| IMSAdminBase::EnumKeys | Enumerates the subkeys of a key, one subkey per call. |
| IMSAdminBase::GetAllData | Retrieves all or a subset of the data associated with a key. |
| IMSAdminBase::GetData | Retrieves a data entry. |
| IMSAdminBase::GetDataPaths | Retrieves all paths of a subtree where a specified identifier exists. |
| IMSAdminBase::GetDataSetNumber | Retrieves the data set number associated with a key. |
| IMSAdminBase::GetHandleInfo | Retrieves information about a handle. |
| IMSAdminBase::GetLastChangeTime | Retrieves the last change time for a key. |
| IMSAdminBase::GetSystemChangeNumber | Retrieves the system change number. |
| IMSAdminBase::OpenKey | Opens a key. |
| IMSAdminBase::RenameKey | Renames an existing key. |
| IMSAdminBase::Restore | Restores the metabase from a backup file. |
| IMSAdminBase::SaveData | Saves metabase changes to disk. |
| IMSAdminBase::SetData | Sets a data entry. |
| IMSAdminBase::SetLastChangeTime | Sets the last change time for a key. |