You can set and edit specific settings for each Portal for ArcGIS whether it is a hub or agent portal. You can also add, edit and remove a remote Portal for ArcGIS.
You can enable or disable a Portal for ArcGIS by clicking the Enabled icon:
When a Portal for ArcGIS is disabled, Analytics stops collecting information about it.
To remove a remote Portal for ArcGIS, click the Remove icon 
and when the warning appears, click Remove.
ArcGIS Portals can be added to Analytics at any point and it will be detected and added to the sidebar automatically.
Agent Server: If the ArcGIS Portal is on an agent server, once it is added to Analytics, you need to edit the portal settings in Configuration to add any credentials you need to access the portal. You can also edit some of the settings but not all of them.
Remote Server: You can add, edit or remove a Portal for ArcGIS that is not in the Analytics cluster in order to collect information about it.
To set up a remote Portal for ArcGIS:
Open Analytics, and then click Configuration.
At the bottom of the sidebar, click Add and select ArcGIS Portal.
On the Setup tab, enter the following information:
Name: Enter the Portal name that will appear in reports and alarms.
Organization URL: Type in the URL to the remote server, for example, for example, https://YourHostName/arcgis
Authentication Type: Select the type of authentication you want to use from the following:
Token: Select if the remote Portal uses Token Authentication.
Username: Type in the name of a user with full access to the Portal.
Password: Type in the password that matches the Username.
OAuth2:
App ID: Paste in the App ID of the app in Portal.
App Secret: Paste in the App Secret of the app in Portal.
Windows Authentication: Select if you use Windows Authentication to secure the Portal.
Username: Type in the name of a user with full access to the Portal.
Password: Type in the password that matches the user.
Domain: Type in the domain that the user is on.
WinAuth + Token: Select if the Portal uses two layers of security made up of Windows Authentication and Token security. You then need to enter the credentials for both a Windows authenticated user and a token secured user. The fields are the same as for Windows Authentication and Token security above.
Win Auth + OAuth2: Select if the Portal uses two layers of security made up of Windows Authentication and OAuth2. You then need to enter the credentials for both a Windows Authenticated user and the App ID and App Secret of the App that you created for Analytics.
Click Save.
A message indicates that the portal is being added. When the process is complete, the name of the portal appears in the resource list under Portals.
You can configure alarms for a specific ArcGIS Portal that trigger when any of the following occur:
A request to the Portal does not respond within the time that you configure.
The number of users exceeds a given number.
A user is inactive for a given time.
The remaining storage gets below a given threshold.
You can also select whether or not to receive an email or SMS (text) message if the alarms are triggered.
To set alarms on a Portal for ArcGIS:
Open Analytics, and then click Configuration.
Click the specific Portal for ArcGIS, and then select the Alarm tab.
To enable an alarm that fires if the remaining storage gets too low, click Enabled under the Storage Remaining Alarm, and then in the Free Space box, type in a percentage of free space. If the amount of storage available drops below this number, the alarm is triggered.
To enable an alarm that fires when the number of users exceeds your limit, click Enabled under User Count Alarm, and then in the Users box, type in the number of users. If the number of users exceeds this number, the alarm is triggered.
To enable an alarm that fires when a user is inactive for longer than a specific time, click Enabled under the User Inactive Alarm, and then in the Days Inactive box, type in number of days. If the number of days a user has not been active exceeds this number, the alarm is triggered.
If you want to receive either an email or a text when any these alarms are triggered, select Email or SMS beside each alarm.
The specific email and SMS information is configured under System settings.
You can enable or disable a specific Portal for ArcGIS services, change the collection interval for each service and set alarms for a specific service.
On the Service Settings tab, change any of the following settings for each service:
Enabled: Activate or deactivate probing of this service.
Referenced services are not enabled by default and so no information about them is collected unless they are manually enabled in this table.
Override Global Interval: Select to override the global collection interval for this service.
Collection Interval: Type in the number and then select minutes, hours or days to set the collection interval for this service.
Override Global Alarms: Select to override the global alarms for this service.
Failed Response Alarm: Set an alarm to fire if a response from the service fails.
Response Time Alarm: Set an alarm to fire if a response from the service is too slow.
Response Time: Enter the time period, in seconds, within which a response must occur.
Trigger After: Type in the number of times that the conditions must happen before the alarm triggers. The minimum number is 1, which means that the alarm triggers whenever the conditions are met. If you enter 2, the alarm triggers the second time a condition is met.
Email: Select to receive an email when this alarm is triggered.
SMS: Select to receive a text when this alarm is triggered.