Vault client cannot access the Vault Server when IIS is not configured to port 80 during installation - IMAGINiT Technologies Support Blog
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Why Port 80 is Being Used by System Process ID 4, What's going on with your Windows Machine ? - NEXTOFWINDOWS.COM
![Why Port 80 is Being Used by System Process ID 4, What's going on with your Windows Machine ? - NEXTOFWINDOWS.COM Why Port 80 is Being Used by System Process ID 4, What's going on with your Windows Machine ? - NEXTOFWINDOWS.COM](https://www.nextofwindows.com/wp-content/uploads/2012/09/2012-09-13_2319.png)
Why Port 80 is Being Used by System Process ID 4, What's going on with your Windows Machine ? - NEXTOFWINDOWS.COM
![windows - I have closed the IIS Admin, but the 80 port still be occupied by the System process - Server Fault windows - I have closed the IIS Admin, but the 80 port still be occupied by the System process - Server Fault](https://i.stack.imgur.com/fSfeK.jpg)
windows - I have closed the IIS Admin, but the 80 port still be occupied by the System process - Server Fault
![windows - I have closed the IIS Admin, but the 80 port still be occupied by the System process - Server Fault windows - I have closed the IIS Admin, but the 80 port still be occupied by the System process - Server Fault](https://i.stack.imgur.com/bn1KA.jpg)
windows - I have closed the IIS Admin, but the 80 port still be occupied by the System process - Server Fault
![System” process bound to port 80 in Windows: “Can not obtain ownership information” | Random Engineering System” process bound to port 80 in Windows: “Can not obtain ownership information” | Random Engineering](https://dsoprea.files.wordpress.com/2016/06/1_port80bound.png?w=634)