This article applies as of PRTG 22
Allowed number of cloud sensors per PRTG installation
Note: The specified limits do not apply to the Cloud HTTP v2 sensor and the Cloud Ping v2 sensor.
The cloud sensors Cloud HTTP sensor and Cloud Ping sensor are available in each PRTG edition (freeware, trial, commercial). They use the PRTG Cloud (just like PRTG push notifications) to monitor loading and ping times of devices like web servers from different locations.
In contrast to all other sensors, we defined a limit for the supported number of cloud sensors per PRTG installation. The reason for this restriction is that we want to analyze how frequently PRTG users add the cloud sensors to their PRTG installations and to test the overall load on the PRTG Cloud first. We will decide after some time if we adjust the limits for the cloud sensor count.
Because of this restriction that comes directly from the PRTG Cloud, you cannot add more than
- 5 Cloud HTTP sensors per PRTG installation,
- 5 Cloud Ping sensors per PRTG installation.
If you add more than 5 Cloud HTTP sensors or more than 5 Cloud Ping sensors to your PRTG installation, the surplus sensors show the Down status with the error message The maximum number of sensors from this type is reached.
Pause or remove cloud sensors to stay below the sensor limit per type and avoid corresponding alarms in PRTG.
Note: Current PRTG versions do not have a hard limit for the number of running cloud sensors. However, we do not recommend that you exceed the limit of 5 cloud sensors per PRTG installation because this scenario has not been tested.
Note: The cloud sensors do not currently support IPv6.
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