Useful information on ports required for WMI remote monitoring can be found in the Connecting Through Windows Firewall article on the Microsoft website.
In addition, any up.time monitors that connect directly to applications on the target server must have ports specific to those applications open. For example, port 1433 is required for a basic connectivity check to a SQL Server installation.
In addition, any up.time monitors that connect directly to applications on the target server must have ports specific to those applications open. For example, port 1433 is required for a basic connectivity check to a SQL Server installation.