Outlook dll metabot failing inconsistently, the frequency of failure has been increased. Bot is running in production and it is affecting the bot efficiency. Kindly need help to reolve the issue.

  • 1 April 2022
  • 1 reply

Bot runs daily, 6 times a day out of which now it is failing with outlook issue by 3 times. Without making any changes in next run it runs fine.

Error details:

Error Description : [error]:System.Runtime.InteropServices.COMException (0x800401E3): Operation unavailable (Exception from HRESULT: 0x800401E3 (MK_E_UNAVAILABLE))

   at System.Runtime.InteropServices.Marshal.GetActiveObject(Guid& rclsid, IntPtr reserved, Object& ppunk)

   at System.Runtime.InteropServices.Marshal.GetActiveObject(String progID)

   at OutlookWrapper.OutlookWrapper.SelectProfile(String ProfileName, String ProfilePassword)


1 reply

Userlevel 6
Badge +10

Hello @Poornima Paramashivaiah​ 


Thanks for writing us at the AA forum.


Considering the Outlook DLL is a BotStore package, please write us at to check if there is an updated version of the DLL with the latest changes in Microsoft compatibility.


For assistance through our Support Engineers, please reach us via Support case>


You can also check our Live Chat support option, for quick assistance from our engineers>


You can also search for available documentation in>


For more details, you are welcome to leverage our open source portal where multiple use case is available>