Too many simultaneous scans from different users can crash the Metasploit database. To help you get this running smoothly, let me know: Are you running this on Kali Linux or another OS?
Change the default msf user credentials if possible.
Teamserver traffic is often unencrypted; never run it over the public internet without a tunnel. how to Use Multiplayer Metasploit with Armitage
I can provide the specific or config tweaks you'll need.
When multiple users are logged in, Armitage synchronizes everything: 📡 Shared Targets Too many simultaneous scans from different users can
Multiple Armitage instances connecting to that single Teamserver. 🚀 Step 1: Start the Teamserver
If one user scans a network, the updates for everyone. how to Use Multiplayer Metasploit with Armitage
The central hub running the Metasploit RPC (MSFRPC) server.