Error 0x80EE0015

Value: -2131886059 | 0x80EE0015 | 2163081237

What does it mean ?

RTC_E_DESTINATION_ADDRESS_MULTICAST  
The Destination Address is a multicast address
Value: 21 | 0x0015 | 0b0000000000010101

Where does it come from ?

FACILITY_RTC_INTERFACE  
RTC - Real-time Communications
Value: 238 | 0x0EE | 0b11101110

StackOverflow

Other Errors for FACILITY_RTC_INTERFACE