title: Windows service serviceCredentials Invalid hexadecimal string format
body: <p>I'm debugging Win service. I have added some certificates on server. Trying to find certificate by its serial number.
  <a href="https://gyazo.com/9cdcda75e98fe7b7c35496976a5aaaeb" rel="noreferrer">https://gyazo.com/9cdcda75e98fe7b7c35496976a5aaaeb</a></p>
  
  <p>The piece of behaviors.config:</p>
  
  <pre><code>  &lt;serviceCredentials&gt;
      &lt;userNameAuthentication userNamePasswordValidationMode="Custom" customUserNamePasswordValidatorType="DDBS.DDBSPasswordValidator, DDBS" /&gt;
      &lt;serviceCertificate findValue="‎1C5411F9D38252824C2EC1CC7E5EBE3F" x509FindType="FindBySerialNumber" storeLocation="LocalMachine" storeName="My" /&gt;
    &lt;/serviceCredentials&gt;
  </code></pre>
  
  <p>I got error: Service cannot be started. System.FormatException: Invalid hexadecimal string format.</p>