err = errServerNotInitialized
		return
	}

	var dn string
	var dnResult *ldap.DNSearchResult
	var isGroup bool
	if r.User != "" {
		dnResult, err = sys.LDAPConfig.GetValidatedDNForUsername(r.User)
		if err != nil {
			iamLogIf(ctx, err)
			return
		}
		if dnResult == nil {
			// dn not found - still attempt to detach if provided user is a DN.

<pre class="ebnf">
ReturnStmt = "return" [ ExpressionList ] .
</pre>

<p>
In a function without a result type, a "return" statement must not
specify any result values.
</p>
<pre>
func noResult() {
	return
}
</pre>

<p>
There are three ways to return values from a function with a result
type:
</p>

<ol>
	<li>The return value or values may be explicitly listed