how set Keep-Alive

Hi @TB_10966080 

Thank you for your question. 
I’d like to recommend to bring more details and context to your initial inquiry. Please refer to this guideline to make your questions more likely to receive a quick and useful answer.

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This will increase your chances to receive meaningful help from other Community members. 

Thank you,

Catalina

Community Moderator

https://www.ptc.com/en/support/article/CS72843

If you don't have wget, you can validate with Powershell.

try {
 $r = wget -Uri https://{Windchill server FQDN}/Windchill/wt.properties
} catch {
 $r = $_.Exception
}
$r.Headers

Hi @TB_10966080,

I wanted to see if you got the help you needed.

If so, please mark the appropriate reply as the Accepted Solution. It will help other members who may have the same question.
Please note that industry experts also review the replies and may eventually accept one of them as solution on your behalf.
Of course, if you have more to share on your issue, please pursue the conversation.

Thanks,