Synchronization stops until you reenable it from Cisco Directory Connector.
Uninstall and Deactivate Cisco Directory Connectors
After you uninstall an instance of Cisco Directory Connector, you must deregister it. Completely remove a Cisco Directory Connector for any of these scenarios:
You don't want to use directory synchronization any more.
You don't want to use one of multiple directory connectors (high availability).
You want to change the domain and install another connector.
Before You Begin
You may have multiple instances of Cisco Directory Connectors set up for high availability (HA) . Disable the synchronization if you are uninstalling the only or last remaining instance of Directory Connector.
Save and close any important work before you uninstall Cisco Directory Connector.
From your Windows machine, go to Control Panel, and then click Programs and Features.
From the program list, click Cisco Directory Connector, choose Uninstall, and then follow the prompts.
You might have to reboot your system to complete the uninstallation.