IIS failed to load DLL solution

IIS prompt

Unable to load DLL "OraOps12.dll": The specified module could not be found. (Exception from hresult:0x8007007e).

Description: An unhandled exception occurred during the execution of the current WEB request. Check the stack trace information For more information about the error and the source of the error in your code.

Exception Details: System.dllnotfoundexception: Unable to load DLL "OraOps12.dll": The specified module could not be found. (Exception from hresult:0x8007007e).

Workaround:

1. Copy the relevant DLL into the bin directory

2. Verify that the path variable is already in the system environment variable, and that it has Oracle Home\bin information. This is usually set by default when the Oracle system is installed.

3. Right click on the Oracle Home folder (e.g. D:\oracle\product\10.1.0\Client_1), enter properties, enter security, select the Authenticated Users user group, check the following permission settings to ensure that you have read and execute the permission (remove the Read and execute reads run, and then tick), and then restart the machine after determining.

IIS failed to load DLL solution