To access ArcGIS Monitor, complete these steps:
- Go to https://monitorserver.domain.com:30443/arcgis/monitor in a web browser.For example, if the machine on which you installed ArcGIS Monitor Server is named abc, and your domain is myorg.net, the URL would be https://abc.myorg.net:30443/arcgis/monitor. If Monitor is configured to only allow HTTP communication, browse to http://monitorserver.domain.com:30080/arcgis/monitor instead. Note:You can also open Monitor from the operating system shortcut that is installed with ArcGIS Monitor Server. 
-  Type your credentials in the Username and Password text boxes and click Sign in.The Home page appears. Note:Usernames and passwords are case sensitive. Use the correct case when you sign in to Monitor.