This article describes the steps on how to change the web management port on NSM On-Prem
Step 1: Log in to the NSM On-Prem Management page using the server IP address on browser.
Step 2: Select Manager View. Naviage to System tab as shown below

Step 3: Navigate to Settings> Administrator and select Web Management settings to change the port.

Step 4: Under Web Management Settings. select HTTPS port and select the custom port from the drop down list.
In this example, we wil change port from 443 to 4443. You will get warning prompt to reconnect NSM using custom port as shown below



Step 5: Login to NSM On-Prem server using custom port configured as shown below.

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