If an OID is not present in the SolarWinds MIB database, you can still poll it by manually defining the OID in Device Studio. The platform allows you to input the object identifier and specify SNMP as the method to query the device.
From the documentation:
" If a required OID is missing from the MIB database, use the Device Studio ' s ' Manually Define Object Identifier ' feature to specify the OID and configure SNMP polling for the device. " References:
NPM Administrator Guide: Device Studio - Manually Defining Object Identifiers

The radial gauge display in the SolarWinds web console requires that the polled value from the OID is a numeric type that supports gauge visualizations (for example, a percentage or value with a defined minimum and maximum). If the OID returns data that does not fit these requirements-such as text, status, or a counter with no clear min/max-the gauge option will be grayed out and unavailable for selection. This behavior is explained in the Universal Device Poller documentation, which states that only compatible numeric OID types can be displayed using radial gauge resources.
Reference:
Universal Device Poller Admin Guide, "Gauge Resource Display Requirements"

If logs are not being sent from a Windows agent, you must confirm that the log forwarding feature is enabled.
Even if the agent is installed, logs will not be transmitted unless this setting is turned on.
The documentation notes:
" Ensure the agent is configured to forward logs. Log forwarding must be enabled for the agent to transmit log data to the SolarWinds platform. " References:
Log Analyzer Administrator Guide: Agent Log Forwarding Configuration