By default the maximum roam time, the time a license can be borrowed and used offline, is 30days. To change this -
2. On the dashboard tab, click your server's opts (options) button
3. In the text editor, below the existing lines, enter the following line -
ROAM_MAX_DAYS X discoverarcgis
Where X is the maximum number of days a license can be borrowed.
Click Save Options
4. On the main dashboard, click the Reread button to apply the change