Problem moving on the client

[desert pumice]

Post your code here and we can take a look at ehat might be happening.

[lost turret]

ok

[1]  using System.Collections;
[2]  using System.Collections.Generic;
[3]  using UnityEngine;
[4]  using Unity.Netcode;
[5] 
[6]  public class ServerPlayer : NetworkBehaviour
[7]  {
[8] 
[9]     [SerializeField] float speed = 10f;
[10]    [SerializeField] CharacterController cc;
[11]    [SerializeField] Transform playerTransform;
[12]    private _PlayerInput PInput;
[13]
[14]    private void Start()
[15]    {
[16]        PInput = new();
[17]        PInput.Enable();
[18]    }
[19]
[20]    private void Update()
[21]    {
[22]        Vector2 MoveInput = PInput.Player.Movement.ReadValue<Vector2>();
[23]
[24]        if (IsServer && IsLocalPlayer)
[25]        {
[26]            Move(MoveInput);
[27]        }
[28]        else if (IsClient && IsLocalPlayer)
[29]        {
[30]            //MoveServerRpc(MoveInput);
[31]            MoveServerRpc(MoveInput);
[32]        }
[34]    }
[35]
[36]    private void Move(Vector2 _Input)
[37]    {
[38]        Vector3 calcMove = _Input.x * playerTransform.right + _Input.y * playerTransform.forward;
[39]
[40]        cc.Move(calcMove * speed * Time.deltaTime);
[41]    }
[42]
[43]    [ServerRpc]
[44]    private void MoveServerRpc(Vector2 _Input)
[45]    {
[46]        Move(_Input);
[47]    }
[48]
[49] }

[desert pumice]

Make sure you have a netowrk transform on the player. I believe you'll have to disable the character controller on the remote players on the clients