IExchangeImportHierarchyChanges interface

Category: MAPI

Dear Experts,
I am trying to use ICS protocol to import the incremental changes. I was
able to setup a demo for the Contents changes but got stuck with
IExchageImportHierarchyChanges interface.

When I try to synchronize, I see that my synchronizer method is returning
SYNC_E_ERROR.

I am attaching the sample code.

I hope I am missing some parameter ? Any idea what

went wrong?
Any help would be really appreciated.

~Venkat

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m_Folder->OpenProperty(PR_HIERARCHY_SYNCHRONIZER,
&IID_IExchangeExportChanges,
0,
0,
reinterpret_cast<IUnknown**>(&m_Synchronizer)));

synchprops = PR_ENTRYID;
m_Synchronizer->Config(m_StreamBuffer,
SYNC_NORMAL,
m_HierarchyCollector,
NULL,
reinterpret_cast<SPropTagArray*>(&synchprops),
NULL,
0));

do {
hr = m_Synchronizer->Synchronize(&steps, &progress);
} while (SYNC_W_PROGRESS == hr);

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