ODP.NET Managed library does resolve alias, but 32-bit library does

May this workaround is suitable for you. You can query the LDAP server by your own and put the full connection string to your code. You can resolve the connection string from LDAP with this code: using (OracleConnection connection = new OracleConnection()) { connection.ConnectionString = “Data Source=” + ResolveServiceNameLdap(“alias”) + “;User id=user;Password=password”; connection.Open(); } … … Read more

Oracle.ManagedDataAccess and ORA-01017: invalid username/password; logon denied

I have been struggling with this same issue for a couple of weeks and finally have a resolution. I had to disable the FIPS security policy, try setting this key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\FipsAlgorithmPolicy] “Enabled”=dword:00000000 to zero, it worked perfectly for me I was following your thread your blank password issue eventually pointed me here: https://community.oracle.com/thread/2557592?start=30&tstart=0