Error 0x80040601

Value: -2147219967 | 0x80040601 | 2147747329

What does it mean ?

CM_E_TOOMANYDATASERVERS  
The limit on the number of search servers was reached.
Value: 1537 | 0x0601 | 0b0000011000000001
FHSVC_E_NOT_CONFIGURED  
File History Service: File History is not configured for the user
Value: 1537 | 0x0601 | 0b0000011000000001

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF