By default not all Service Manager connectors have scheduling option. For example SCOM connector has and AD connector doesn’t but that is only because the UI doesn’t provides it. Stefan Koell wrote a great article on how to schedule the AD connector or any other connector that does not have UI Schedule option. Without explaining more just read the article below.
Here are the final versions of the the following IPs:
If you do not know from where to start about implementing a particular technology Microsoft is providing help for that. Microsoft has made free to download Infrastructure Planning and Design documents for theirs most popular technologies. The documents are for the current RTM versions of the products. Click on the link and start to plan and design.