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

Question

I have a challenging situation on one of our servers. I have an ASP.NET MVC 3 application that needs to connect to an Oracle 12c database. It does so using the following co

Answer 1

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