To change the execution time for a single subscription
Before you change the execution time of one or more subscriptions you must specify a username and password, in the bottom left.
1.Select the report in the tree view
2.Select the subscription you wish to change. this is high lighted in blue (in this example it has a Description xx)
2.1.choose the start date/time
2.2.(optional) choose the end date/time
3.Press the Update button