System.Data.OracleClient requires Oracle client software version 8.1.7 or later

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.ServiceModel.FaultException ' 1[[system.servicemodel.exceptiondetail, System.ServiceModel, version= 4.0.0.0, Culture=neutral, publickeytoken=b77a5c561934e089]: System.Data.OracleClient requires Oracle client software version 8.1.7 or a later version.

SOURCE Error:

An unhandled exception was generated during the execution of the current WEB request. You can use the following exception stack trace information to determine information about the cause of the exception and where it occurred.

WORKAROUND: Oracle's Directory >> Properties >> Security >> Add Network Service user group >> Full Control

Or add the Authenticated Users user group

Analysis: Oracle Directory NET program does not have access rights caused by

From: www.cnblogs.com/smallidea/p/4021188.html

System.Data.OracleClient requires Oracle client software version 8.1.7 or later