Error 0x800721A8

Value: -2147016280 | 0x800721A8 | 2147951016

What does it mean ?

ERROR_DS_LDAP_SEND_QUEUE_FULL  
The LDAP servers network send queue has filled up because the client is not processing the results of its requests fast enough. No more requests will be processed until the client catches up. If the client does not catch up then it will be disconnected.
Value: 8616 | 0x21A8 | 0b0010000110101000

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

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