error| solution First of all, what do we mean by 80004005 errors? It means "No data can be obtained from the database for some reason".
In this article, I have listed various information about 80004005 errors, the most common causes of this error, and their solutions.
1.Access 97
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The database engine cannot open file ' (unknown) '. It has been opened exclusively by another user, or you do not have permission to view the data.
The ' (unknown) ' file that is already in use cannot be connected.
' (unknown) ' also indicates that the database file is not a valid path, so you want to make sure that the path is spelled correctly, and that the database file is on the currently connected server.
The database file cannot be locked.
The registration Key "DriverID" cannot be opened.
SQL SERVER
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[DBNMPNTW] ConnectionOpen (CreateFile ()).
[DBNMPNTW] ConnectionWrite (GetOverlappedResult ()).
[DBMSSOCN] General network error, check network connection document.
Logon Failed () Logon error
Login Failed-user does not define a trusted user who can connect to SQL Server.
Query or view restrictions on more than 16 tables of data.
BOTH
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The name of the data source is not found or the default drive name is not specified.
INSERT into statement syntax error.