How to resolve this error: TCPOutAutoLB-0 - More than 70% of forwarding destinations have failed

[bugnet]

Hi all,

I have Splunk instance (standalone) which I get the following error:

On the forwarding server the outputs.conf is OK. Beside that port 9999 is not open.

[pdouglasjr]

Are you using HTTPS? And if so, have the certificates configured for HTTPS been recently updated?

[saichaitanya]

recently I enable the ssl and sso for the HF  when we  open that Hf the error is showing that below error

TCPOutAutoLB-0 - More than 70% of forwarding destinations have failed

please give me the solution.. ASAP

thank  you 

[highsplunker]

Hi ! Did you solve the problem? Please tell us how? With vikramyadav's answer below?

In my case, i'm SURE it's not about network connections (they are OK).
In my case it's probably becase i enlarged RAM and CPU capabilities.
Guys could you comment on this?

[vikramyadav]

You are trying to forward some data, But you are not able to forward your data because your firewall is blocking so you can open your 9999 port.
For Windows click on below link
https://www.tomshardware.com/news/how-to-open-firewall-ports-in-windows-10,36451.html

And for Linux click below
https://www.cyberciti.biz/faq/howto-rhel-linux-open-port-using-iptables/

If you directly disable your firewall you don't have to follow the above steps, But I won't recommend this step as its harmful.

Thank You.