.Net OracleClient proxy error

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We recently updated our web service from .Net 1.1 to .Net 2.0. Our web
services are using the Oracle Client provided by Microsoft. We are now
randomly getting the following error when accessing the web service.

internal connection without a proxy? at
System.Data.Ora cleClient.Oracl eInternalConnec tion.ProxyConne ction() at
System.Data.Ora cleClient.Oracl eInternalConnec tion.BeginOracl eTransaction(Is olationLevel
il) at
System.Data.Ora cleClient.Oracl eInternalConnec tion.BeginTrans action(Isolatio nLevel
il) at
System.Data.Ora cleClient.Oracl eConnection.Beg inDbTransaction (IsolationLevel
isolationLevel) at
System.Data.Com mon.DbConnectio n.BeginTransact ion(IsolationLe vel
isolationLevel) at
System.Data.Ora cleClient.Oracl eConnection.Beg inTransaction(I solationLevel il)
at System.Data.Ora cleClient.Oracl eConnection.Beg inTransaction()

Has anyone seen this before?

Thanks,

Chane'