title: script to install MSI silently
body: <p>Hi am using the following to silent install msi file name : agent.msi</p>
  
  <pre><code>C:\Users\Administrator &gt; msiexec /qb /Lv* install.log /i agent.msi SSL_CERT_FILE=C:\Temp\Agent.ssl
  </code></pre>
  
  <p>After running the above command when am checking install.log file giving error as <code>Installation Error: 1602  / 1603</code></p>
  
  <p>I have cleared temp files and running folder is non encrypted, and having full admin access.</p>
  
  <p>May i know how to fix it ?</p>