ELMAH no funciona, error por version System.Data.OracleClient

El servicio de Elmah no esta funcionando en una version 1.19.1.2 de Evolution en Oracle, el error desplegado al ejecutar el siguiente link http://ServerName/elmah.axd es el siguiente:

System.Data.OracleClient requires Oracle client software version 8.1.7 or greater. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Exception: System.Data.OracleClient requires Oracle client software version 8.1.7 or greater.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[Exception: System.Data.OracleClient requires Oracle client software version 8.1.7 or greater.]
  System.Data.OracleClient.OCI.DetermineClientVersion() +294718
  System.Data.OracleClient.OracleInternalConnection.OpenOnLocalTransaction(String userName, String password, String serverName, Boolean integratedSecurity, Boolean unicode, Boolean omitOracleConnectionName) +38
  System.Data.OracleClient.OracleInternalConnection..ctor(OracleConnectionString connectionOptions) +133
  System.Data.OracleClient.OracleConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) +45
  System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +31
  System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +569
  System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +71
  System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +501
  System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +112
  System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +117
  System.Data.OracleClient.OracleConnection.Open() +44
  Elmah.OracleErrorLog.GetErrors(Int32 pageIndex, Int32 pageSize, IList errorEntryList) +370
  Elmah.ErrorLogPage.OnLoad(EventArgs e) +336
  System.Web.UI.Control.LoadRecursive() +61
  System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693

Nuestra pregunta es, si es recomendable instalar la version 8.1.7 o posterior de System.Data.OracleCliente o si esto nos pueda causar algun problema en el funcionamiento de Evolution.

Las versiones de ODAC y ODT Instaladas en el servidor de aplicaciones son: ODAC121024_x64--el de 64 bits ODTwithODAC121024--el de 32bits.

UPDATE:

Estos instaladores corresponden con la versión 12.2.0.1.0 del driver.