SOLVED Client Push doesnt work

[Rients]

When im trying to Install Client, nothing is happening.

-The SCCM_PUSH is member of the Domain Admins Group
-I Configured the Firewall
-SCCM-TESTPC is the PC im trying to Push the client

I dont know what im doing wrong?
Can someone help me out?

 

[Garth]

error 67 = The network name cannot be found.