Outlook View Control's method OpenSharedDefaultFolder fails

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Greetings!
I have a need to display another peson's shared calendar on the web page via the Outlook View Control. The documentation suggests using the control's OpenSharedDefaultFolder with the person's nickname and folder ("Calendar" in my case).
I use this portion of code:

<object id=&quot;OVC&quot; width=&quot;100%&quot; height=&quot;100%&quot; classid=&quot;clsid:0006F063-0000-0000-C000-000000000046&quot; codebase=&quot;

http://activex.microsoft.com/activex/controls/office/outlctlx.cab#ver=9,0,0,3203&quot;;

style=&quot;width:100%; height:100%;&quot;>
<param name=&quot;DeferUpdate&quot; value=&quot;False&quot;>
<param name=&quot;Folder&quot; value=&quot;Calendar&quot;>
<param name=&quot;Namespace&quot; value=&quot;MAPI&quot;>
<param name=&quot;Restriction&quot; value=&quot;&quot;>
<param name=&quot;View&quot; value=&quot;Day/Week/Month&quot;>
</object>

<script type=&quot;text/vbscript&quot; language=&quot;vbscript&quot;>
OVC.Folder = &quot;Calendar&quot;
'this line will produce an error
OVC.OpenSharedDefaultFolder &quot;msmallconf&quot;, 9
</script>

And, man, it doesn't work at all! Although the same operation through the Outlook itself executes smoothly.

Please, help!