Error 0x800A0EA4

Value: -2146824540 | 0x800A0EA4 | 2148142756

What does it mean ?

adErrCantChangeConnection  
Error ADO: Connection was denied. New connection you requested has different characteristics than the one already in use.
Value: 3748 | 0x0EA4 | 0b0000111010100100

Where does it come from ?

FACILITY_CONTROL  
Used by OLE controls. You can find a complete list of the error codes in OLECTL.H - errors from: VB, VBScript, JScript, ADO, third party controls
Value: 10 | 0x00A | 0b00001010

Other Errors for FACILITY_CONTROL