On the Active NOAM, select Policy and Charging > Configuration > Online Charging DRA > OCS Session State.
The Policy and Charging > Configuration > Online Charging DRA > OCS Session State page appears.
Check or uncheck the Pause updates box to pause or unpause updates to the list of OCSs. The OCSs listed were inserted or deleted on the Policy and Charging > Configuration > Online Charging DRA > OCSs page on the SOAM, as well as the more specific Realm and FQDN that are configured from each site's Diameter > Configuration > Peer Nodes page on the SOAM.