https://community.splunk.com/t5/Getting-Data-In/Heavy-forwarder-can-t-reach-some-cloud-sources/m-p/648773#M110268 <P>Hi</P><P>you are probably sending it's internal logs to splunk? If yes, then you could search those vis GUI and try to find when and why it has stopped. Usually you could found those with queries like</P><LI-CODE lang="markup">index=_internal host=&lt;your hf&gt; source=*/&lt;your log sources under $SPLUNK_HOME/var/log/splunk/&lt;your log name&gt;&gt;</LI-CODE><P>Otherwise just log to your HF and look those logs on cmd line.</P><P>r. Ismo&nbsp;</P> Fri, 30 Jun 2023 09:20:56 GMT isoutamo 2023-06-30T09:20:56Z https://community.splunk.com/t5/Getting-Data-In/Heavy-forwarder-can-t-reach-some-cloud-sources/m-p/648771#M110267 <P>We have a HF which was configured to pull data from various sources, but it stopped receiving data suddenly from a few sources. How can I troubleshoot this issue?</P> Fri, 30 Jun 2023 09:10:12 GMT https://community.splunk.com/t5/Getting-Data-In/Heavy-forwarder-can-t-reach-some-cloud-sources/m-p/648771#M110267 Gursimar_singh 2023-06-30T09:10:12Z https://community.splunk.com/t5/Getting-Data-In/Heavy-forwarder-can-t-reach-some-cloud-sources/m-p/648773#M110268 <P>Hi</P><P>you are probably sending it's internal logs to splunk? If yes, then you could search those vis GUI and try to find when and why it has stopped. Usually you could found those with queries like</P><LI-CODE lang="markup">index=_internal host=&lt;your hf&gt; source=*/&lt;your log sources under $SPLUNK_HOME/var/log/splunk/&lt;your log name&gt;&gt;</LI-CODE><P>Otherwise just log to your HF and look those logs on cmd line.</P><P>r. Ismo&nbsp;</P> Fri, 30 Jun 2023 09:20:56 GMT https://community.splunk.com/t5/Getting-Data-In/Heavy-forwarder-can-t-reach-some-cloud-sources/m-p/648773#M110268 isoutamo 2023-06-30T09:20:56Z