SSMS to second sql server gives me SSPI error help

I have 2 sql servers TEST1 & TEST2

Both are windows 2008 R2 64BIT

Both are updated with the same patches and service patch

TCP/IP, NAME PIPES & SHARED MEMORY are all enabled on both servers

The first SQL server (TEST1) has 2 instances installed

- Analysis, intergration, & reporting services installed under the default instance

- Second instance contains SQL engine, SQLEngine\Fulltext, Analysis Services, Reporting Servies (TEST1\TEST)

Shared components are: SSMS, ADV_SSMS, CONN, IS

2nd SQL server (TEST2) has default instance with everything installed

With SSMS & windows authentication from TEST2 I can connect to TEST1\TEST, no errors

With SSMS & windows authentication from TEST1, I get the "Cannot generate SSPI context" error when I try to connect to TEST2

Using sql authentication from TEST1 I can connect to the TEST2 with no errors

I need the windows authentication to work and I can't see where the problem is