NB! It seems this console command is not compatible with CS2.
Command Profile

SV_DZ_JOINTEAM_ALLOWED

CS:GO

This command, if set to 1, allows players to leave and join other teams with the dz_jointeam command. Default is 0 (disabled).

Syntax
sv_dz_jointeam_allowed [0 / 1]

Description

This command, if set to 1, allows players to leave and join other teams with the dz_jointeam command. Default is 0 (disabled).

How To Use sv_dz_jointeam_allowed

  1. Enable the developer console in Counter-Strike settings.
  2. Open the console with the tilde key (~).
  3. Enter sv_dz_jointeam_allowed [0 / 1], replacing bracketed arguments with the value you want, then press Enter.

This legacy command is not currently listed as compatible with Counter-Strike 2.

Syntax And Arguments

sv_dz_jointeam_allowed [0 / 1]
0 / 1 Set to 0 to disallow players from using the dz_jointeam command (default). Set to 1 to allow players to use the command.