During installation, the Nintex solutions need to be deployed to all required Web applications. For more information, see Steps for deploying solutions.
To view deployment status for solutions in the farm
On the Central Administration Home page, click System Settings.
In the Farm Management section, click Manage farm solutions.
The Solution Management page appears. Solution deployment status is indicated in the Status column; the Web applications to which the solutions are deployed are indicated in the Deployed To column.