Purge subscriptions for  that have been inactive and remove them from the cache database as well as Sybase Control Center's management view.
Note: Devices for which you have purged subscriptions cannot perform any operations. Only purge those subscriptions that are inactive for a long period of time. 
- In the left navigation pane, expand the Domains folder and select a domain.
- Navigate to the Packages folder, and select a subscription.
- In the right pane, select the Subscriptions tab.
- Select the application payload used: replication or messaging.
- Search for inactive subscriptions for that payload type:- From  Search, select    Number of Inactive Days. 
- Type a positive integer, then click Go. 
 
- Select all inactive subscriptions retrieved, then click Purge.
- Click OK. The subscriptions that match the purging criteria are physically deleted from cache database. 
- Repeat the step for the alternate payload protocol in a  mixed application environment.