SL 2015 CU2 Application Server is installed on a Windows 2016 Standard Terminal Server Environment, running with Outlook 2013. All Quick Send requests were working up until about 2/8/2019, when there was an apparent system restart. Since then, all QS requests fail with the following message:
02/10/2019 07:32:39 AM 22124 Quick Send Purchase Report not emailed due to an error:Retrieving the COM class factory for component with CLSID {3FA7DEB3-6438-101B-ACC1-00AA00423326} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).
I uninstalled/reinstalled the Outlook Add-in VSTO, checked the server for Windows/Office installed updates (none since Jan 2019), etc. I can send an email directly from Outlook, but the Quick Send requests fail. How can I determine which COM object is not registered and correct the issue?
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