Error 0x80040D79

Value: -2147218055 | 0x80040D79 | 2147749241

What does it mean ?

GHTR_E_LOCAL_SERVER_UNAVAILABLE  
Crawling cannot continue because the local server is not responding. Restart Microsoft SQL Server 2000.
Value: 3449 | 0x0D79 | 0b0000110101111001

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

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