PrintSpoofer
Rogue-Potato abused SeImpersonate privilege to get execution as SYSTEM for Windows Server 2019. PrintSpoofer can be an alternate to Rogue-Potato. You can exploit SeImpersonate privilege on Windows Server 2019 with PrintSpoofer and it's so easy.
Exploitation
Check for systeminfo
The OS is Microsoft Windows server 2019 and x64-bit arch. SeImpersonate privilege is Enabled. With this information it seems that host is likey vulnerable to PrintSpoofer.
Upload the PrintSpoofer to target machine.
Execute the exploit.
We're SYSTEM now!
Alternate
We can also get a reverse shell if we want. Execute nc binary with PrintSpoofer.