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Editorial Team
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Asked: 2026-06-16T01:19:03+00:00

I’m attempting to follow the instructions according to this post for making an Oracle

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I’m attempting to follow the instructions according to this post for making an Oracle connection in PowerShell. When I try to load the Oracle .dll I get a operation not supported error.

PS C:\windows\system32> Add-Type -path "C:\Oracle\Oracle.ManagedDataAccess.dll"
Add-Type : Could not load file or assembly 'file:///C:\Oracle\Oracle.ManagedDataAccess.dll' or one of its dependencies.
 Operation is not supported. (Exception from HRESULT: 0x80131515)
At line:1 char:9
+ Add-Type <<<<  -path "C:\Oracle\Oracle.ManagedDataAccess.dll"
    + CategoryInfo          : NotSpecified: (:) [Add-Type], FileLoadException
    + FullyQualifiedErrorId : System.IO.FileLoadException,Microsoft.PowerShell.Commands.AddTypeCommand
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1 Answer

  1. Editorial Team

    Was resolved by adding the correct entries in TNSNAMES.ORA and restarting powershell.

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