Outlook: COMException: Cannot load free/busy information

Does anyone know how to return Free/Busy information from Outlook only, no Exchange server.

The error I am getting:
A first chance exception of type 'System.Runtime.InteropServices.COMException' occurred in BusinessTier.dll
System.Runtime.InteropServices.COMException (0x80020009): Cannot load free/busy information.
   at Microsoft.Office.Interop.Outlook.Recipient.FreeBusy(DateTime Start, Int32 MinPerChar, Object CompleteFormat)
   at BusinessTier.FEFC.Email.FindFreeTimeInOutlook() in C:\Files\CompanyName\ProjectName\FEFCBusinessTier\Email.vb:line 307

I'm connected to incoming mail server is imap.gmail.com and outgoing is smtp.gmail.com and I can send email from the Imports Microsoft.Office.Interop reference.

This code is working (with errors commented):

Dim objOutlook As Outlook.Application = Nothing
Dim objNS As Outlook.NameSpace = Nothing
Dim objRecipient As Outlook.Recipient
Dim objMissing As Object = Type.Missing
Dim dtStartDate As Date = #6/22/2015#
Dim dt As DateTime = DateTime.Now
objOutlook = New Outlook.Application()
objNS = objOutlook.GetNamespace("MAPI")
objNS.Logon(objMissing, objMissing, False, False)
objMail = CType(objOutlook.CreateItem(Outlook.OlItemType.olMailItem), Outlook.MailItem)
With objMail
.Subject = "Testing of Free/Busy Functionality"
.To = "yourinfo@domain.com"
.Body = "This is a test email before testing the Free/Busy functionality of Outlook."
.Send()'successfully sends email
End With

objRecipient = objNS.CreateRecipient("yourinfo@domain.com")
Try
strFreeBusyData = objRecipient.FreeBusy(dt, 60) 'Throws error
Catch ex As Exception
Debug.Print(ex.ToString)
End Try

Dim oAddressEntries As Outlook.AddressEntries = Nothing
Dim oAddressEntry As Outlook.AddressEntry
Try
oAddressEntry = oAddressEntries("yourinfo@domain.com")
strFreeBusyData = oAddressEntry.GetFreeBusy(dtStartDate, 30)'error again
Catch ex As Exception
Debug.Print(ex.ToString)
End Try

I published calendar settings to a WebDAV server and have a .ics file created.  But can not get the above 2 methods to work.  My other option is to interpret the .ics file myself.  Does anyone know the .ics layout and what the data means.  I can figure out the dates, but the times are lost to me.  It looks like this:

BEGIN:VCALENDAR
PRODID:-//Microsoft Corporation//Outlook 12.0 MIMEDIR//EN
VERSION:2.0
METHOD:PUBLISH
X-CALSTART:20150921T190000Z
X-CALEND:20150923T210000Z
X-CLIPSTART:20150921T040000Z
X-CLIPEND:20151122T050000Z
X-WR-RELCALID:{00000018-88A0-717B-F7FC-E00880CFE831}
X-WR-CALNAME:info@domain
X-WR-CALDESC:Calendar Comment
X-PRIMARY-CALENDAR:TRUE
X-PUBLISHED-TTL:PT60M
X-OWNER;CN=info@domain:mailto:info@domain.com
X-MS-OLK-WKHRSTART;TZID="Eastern Standard Time":100000
X-MS-OLK-WKHREND;TZID="Eastern Standard Time":200000
X-MS-OLK-WKHRDAYS:MO,TU,WE,TH,FR
BEGIN:VTIMEZONE
TZID:Eastern Standard Time
BEGIN:STANDARD
DTSTART:16011104T020000
RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=11
TZOFFSETFROM:-0400
TZOFFSETTO:-0500
END:STANDARD
BEGIN:DAYLIGHT
DTSTART:16010311T020000
RRULE:FREQ=YEARLY;BYDAY=2SU;BYMONTH=3
TZOFFSETFROM:-0500
TZOFFSETTO:-0400
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
DTEND:20150921T200000Z
DTSTAMP:20150922T143608Z
DTSTART:20150921T190000Z
SEQUENCE:0
SUMMARY;LANGUAGE=en-us:Busy
TRANSP:OPAQUE
UID:z87ztC0NYEOQhHog7Ut1JQ==
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
END:VEVENT
BEGIN:VEVENT
DTEND:20150921T213000Z
DTSTAMP:20150922T143608Z
DTSTART:20150921T210000Z
SEQUENCE:0
SUMMARY;LANGUAGE=en-us:Busy
TRANSP:OPAQUE
UID:A42kagODykSr0F8sAAC85g==
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
END:VEVENT
BEGIN:VEVENT
DTEND:20150922T160000Z
DTSTAMP:20150922T143608Z
DTSTART:20150922T153000Z
SEQUENCE:0
SUMMARY;LANGUAGE=en-us:Busy
TRANSP:OPAQUE
UID:QZvGc4Val0+g2uda+9G9Hw==
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
END:VEVENT
BEGIN:VEVENT
DTEND:20150922T210000Z
DTSTAMP:20150922T143608Z
DTSTART:20150922T180000Z
SEQUENCE:0
SUMMARY;LANGUAGE=en-us:Busy
TRANSP:OPAQUE
UID:PdGDKQaQEU2kCq3qEEDhhA==
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
END:VEVENT
BEGIN:VEVENT
DTEND:20150923T173000Z
DTSTAMP:20150922T143608Z
DTSTART:20150923T170000Z
SEQUENCE:0
SUMMARY;LANGUAGE=en-us:Busy
TRANSP:OPAQUE
UID:W+Zibfl7KUyhPnnTR8+EFQ==
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
END:VEVENT
BEGIN:VEVENT
DTEND:20150923T210000Z
DTSTAMP:20150922T143608Z
DTSTART:20150923T190000Z
SEQUENCE:0
SUMMARY;LANGUAGE=en-us:Busy
TRANSP:OPAQUE
UID:2FMbtw1rxUyy/UgWHooi0Q==
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
END:VEVENT
END:VCALENDAR

Thanks in advance for anyone's help!
Knight905416Asked:
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