


Error Connecting to OLE DB Provider: "Cannot Create an Instance"
When attempting to export data to Excel using T-SQL query, users may encounter the error: "Cannot create an instance of OLE DB provider Microsoft.Jet.OLEDB.4.0 for linked server (null)." This issue stems from a failure to link to the correct OLE DB provider.
Solving the Problem
To resolve this issue, follow these steps:
-
Install the Correct OLE DB Provider:
- Download and install Microsoft.ACE.OLEDB.12.0 for Windows, 64-bit version, which is compatible with newer versions of Office and SQL Server.
-
Grant Access to Temp Directory:
-
Ensure that the user running SQL Server has read/write access to the temp directory:
- Local service account: C:WindowsServiceProfilesLocalServiceAppDataLocalTemp
- Network service account: C:WindowsServiceProfilesNetworkServiceAppDataLocalTemp
-
-
Enable Ad Hoc Distributed Queries:
-
In SQL Server Management Studio, run the following commands:
SP_CONFIGURE 'show advanced options', 1; GO RECONFIGURE; SP_CONFIGURE 'Ad Hoc Distributed Queries', 1; GO RECONFIGURE;
-
-
Configure OLE DB Provider Properties:
-
Execute the following commands to allow in-process execution and dynamic parameters:
EXEC sp_MSset_oledb_prop N'Microsoft.ACE.OLEDB.12.0', N'AllowInProcess', 1 EXEC sp_MSset_oledb_prop N'Microsoft.ACE.OLEDB.12.0', N'DynamicParameters', 1
-
-
Register msexcl40.dll (optional):
-
Register the msexcl40.dll 32-bit file using the command:
regsvr32 C:\Windows\SysWOW64\msexcl40.dll
-
The above is the detailed content of Why Can't I Export Data to Excel Using T-SQL — 'Cannot Create an Instance of OLE DB Provider' Error?. For more information, please follow other related articles on the PHP Chinese website!

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