"Another application is using port 443. Use another port or remove the application that is using it" error while installing or validating Manager service

Products

• VMware Aria Suite

Issue/Introduction

Symptoms:

• You cannot install vRealize Automation IaaS Manager Service manually or by install wizard on a Windows server that has web software already installed.
• You cannot install vRealize Automation IaaS Manager Service manually or by install wizard on a Windows server that had vRealize Automation Manager Service previously installed.
• You see an error similar to:
  
  Command Result:
  Message:
  Another application is using port 443. Use another port or remove the application that is using it.
  
  Description
  Executing netsh http show sslcert ipport=0.0.0.0:443
  SSL Certificate bindings:
  -------------------------
  
  IP:port : 0.0.0.0:443
  Certificate Hash : a45fb0034dcd1028054b4da4ec834443126577da
  Application ID : {adb46c0e-7210-4f23-b7ea-172e99643129}
  Certificate Store Name : (null)
  Verify Client Certificate Revocation : Enabled
  Verify Revocation Using Cached Client Certificate Only : Disabled
  Usage Check : Enabled
  Revocation Freshness Time : 0
  URL Retrieval Timeout : 0
  Ctl Identifier : (null)
  Ctl Store Name : (null)
  DS Mapper Usage : Disabled
  Negotiate Client Certificate : Disabled
  
  
  Output:
  None
  
  

Environment

VMware vRealize Automation 7.2.x
VMware vRealize Automation 7.3.x

Cause

This issue occurs due to any of these reasons:

• When port 443 has already been bound to an SSL certificate.
• When you have uninstalled vRealize Automation IaaS Manager Service from a server and are attempting to reinstall it.
  

Resolution

To resolve this issue, remove the SSLCert binding from the port.

To remove the SSLCert binding from the port:

1. Connect to the Manager Service server(s) remotely or through console.
2. Open an Admin elevated command prompt.
3. Run this command:
   
   netsh http delete sslcert ipport=0.0.0.0:443
   

Additional Information

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