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#1 2025-08-29 07:03:39

curious-wanderer
Member
Registered: 2025-08-29
Posts: 4

NetworkManager: Wi-Fi connection fails with ‘key-mgmt: property is mis

Hey! After changing the password, and SSID of my wifi, It stopped to work with my laptop. Ethernet works, but the wifi doesn't. I tried switching to iwd's backend, but that resulted in nothingness. I switched back to normal nmcli. Weirdly, when I connect to my mobile's hotspot, and connect the mobile to the wifi it works fine. This could result from the mobile being previously connected to the laptop, and no password change. I scoured every internet post, and did everything there was to do from my end. The wifi adapter worked fine previously, and since I can connect to hotspot, it likely isn't an hardware problem. I am new to arch in a way. Below, I have put together what I did:

What I did:

Tried turning wifi on and off, but of no worth
Tried downgradeing to 1.52.0-1
Tried deleting shenagions.
Stopped randomization.

nmcli device wifi connect Airtel_meow  password REDACTED
    802-11-wireless-security.key-mgmt: property is missing.

nmcli connection delete Airtel_meow

nmcli device wifi connect Airtel_meow  password REDACTED
Error: Connection activation failed: Secrets were required, but not provided.

Passwords or encryption keys are required to access the wireless network 'Airtel_meow'.
Password (802-11-wireless-security.psk): ••••••••••••••••••
Passwords or encryption keys are required to access the wireless network 'Airtel_meow'.
Password (802-11-wireless-security.psk): ••••••••••••••••••
Error: Connection activation failed: Secrets were required, but not provided.

nmcli dev wifi connect "Airtel_meow" password "REDACTED"
Error: 802-11-wireless-security.key-mgmt: property is missing.
Information:
Kernel: 6.16.3-arch1-1
OS: Arch
WM: Hyprland
Host: HP Pavilion Gaming Laptop 15-ec2xxx 

[wanderer@Pavilion ~]$ ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000
    link/ether e0:70:ea:a9:98:60 brd ff:ff:ff:ff:ff:ff
    altname enp2s0
    altname enxe070eaa99860
4: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DORMANT group default qlen 1000
    link/ether 2e:15:83:66:83:fa brd ff:ff:ff:ff:ff:ff permaddr c8:94:02:a9:85:23
5: br-9f6595e39f44: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default 
    link/ether 5e:ca:9c:60:a4:84 brd ff:ff:ff:ff:ff:ff
6: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default 
    link/ether fa:6c:51:e3:f0:50 brd ff:ff:ff:ff:ff:ff
7: br-cf3e86fe3d53: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default 
    link/ether 36:69:37:4c:d8:64 brd ff:ff:ff:ff:ff:ff
8: vetha9115ad@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br-9f6595e39f44 state UP mode DEFAULT group default 
    link/ether a2:42:85:28:c1:13 brd ff:ff:ff:ff:ff:ff link-netnsid 0

[wanderer@Pavilion ~]$ nmcli --version
nmcli tool, version 1.52.0-1

[wanderer@Pavilion ~]$ nmcli device status
DEVICE           TYPE      STATE                   CONNECTION      
br-9f6595e39f44  bridge    connected (externally)  br-9f6595e39f44 
lo               loopback  connected (externally)  lo              
br-cf3e86fe3d53  bridge    connected (externally)  br-cf3e86fe3d53 
docker0          bridge    connected (externally)  docker0         
wlan0            wifi      disconnected            --              
p2p-dev-wlan0    wifi-p2p  disconnected            --              
eno1             ethernet  unavailable             --              
vetha9115ad      ethernet  unmanaged               --      

[wanderer@Pavilion ~]$ rfkill list
1: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
4: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

[wanderer@Pavilion ~]$ nmcli dev wifi connect "Airtel_meow" password "TU#c@:atFk#_4fovHn"
Error: 802-11-wireless-security.key-mgmt: property is missing.
[wanderer@Pavilion ~]$ journalctl -u NetworkManager --no-pager -b | tail -n 50
Aug 29 12:15:27 Pavilion NetworkManager[18845]: <info>  [1756449927.3058] device (p2p-dev-wlan0): supplicant management interface state: disconnected -> inactive
Aug 29 12:15:31 Pavilion NetworkManager[18845]: <info>  [1756449931.2651] device (wlan0): supplicant interface state: inactive -> disconnected
Aug 29 12:15:31 Pavilion NetworkManager[18845]: <info>  [1756449931.2651] device (p2p-dev-wlan0): supplicant management interface state: inactive -> disconnected
Aug 29 12:15:31 Pavilion NetworkManager[18845]: <info>  [1756449931.3987] device (wlan0): supplicant interface state: disconnected -> associated
Aug 29 12:15:31 Pavilion NetworkManager[18845]: <info>  [1756449931.3987] device (p2p-dev-wlan0): supplicant management interface state: disconnected -> associated
Aug 29 12:15:31 Pavilion NetworkManager[18845]: <info>  [1756449931.4049] device (wlan0): supplicant interface state: associated -> disconnected
Aug 29 12:15:31 Pavilion NetworkManager[18845]: <info>  [1756449931.4049] device (p2p-dev-wlan0): supplicant management interface state: associated -> disconnected
Aug 29 12:15:31 Pavilion NetworkManager[18845]: <info>  [1756449931.5041] device (wlan0): supplicant interface state: disconnected -> inactive
Aug 29 12:15:31 Pavilion NetworkManager[18845]: <info>  [1756449931.5042] device (p2p-dev-wlan0): supplicant management interface state: disconnected -> inactive
Aug 29 12:15:35 Pavilion NetworkManager[18845]: <info>  [1756449935.4191] device (wlan0): supplicant interface state: inactive -> disconnected
Aug 29 12:15:35 Pavilion NetworkManager[18845]: <info>  [1756449935.4192] device (p2p-dev-wlan0): supplicant management interface state: inactive -> disconnected
Aug 29 12:15:39 Pavilion NetworkManager[18845]: <info>  [1756449939.2868] device (wlan0): supplicant interface state: disconnected -> associated
Aug 29 12:15:39 Pavilion NetworkManager[18845]: <info>  [1756449939.2868] device (p2p-dev-wlan0): supplicant management interface state: disconnected -> associated
Aug 29 12:15:39 Pavilion NetworkManager[18845]: <info>  [1756449939.2933] device (wlan0): supplicant interface state: associated -> disconnected
Aug 29 12:15:39 Pavilion NetworkManager[18845]: <info>  [1756449939.2933] device (p2p-dev-wlan0): supplicant management interface state: associated -> disconnected
Aug 29 12:15:39 Pavilion NetworkManager[18845]: <info>  [1756449939.3922] device (wlan0): supplicant interface state: disconnected -> inactive
Aug 29 12:15:39 Pavilion NetworkManager[18845]: <info>  [1756449939.3922] device (p2p-dev-wlan0): supplicant management interface state: disconnected -> inactive
Aug 29 12:15:43 Pavilion NetworkManager[18845]: <info>  [1756449943.3746] device (wlan0): supplicant interface state: inactive -> disconnected
Aug 29 12:15:43 Pavilion NetworkManager[18845]: <info>  [1756449943.3747] device (p2p-dev-wlan0): supplicant management interface state: inactive -> disconnected
Aug 29 12:15:43 Pavilion NetworkManager[18845]: <info>  [1756449943.5286] device (wlan0): supplicant interface state: disconnected -> associated
Aug 29 12:15:43 Pavilion NetworkManager[18845]: <info>  [1756449943.5287] device (p2p-dev-wlan0): supplicant management interface state: disconnected -> associated
Aug 29 12:15:43 Pavilion NetworkManager[18845]: <info>  [1756449943.5338] device (wlan0): supplicant interface state: associated -> disconnected
Aug 29 12:15:43 Pavilion NetworkManager[18845]: <info>  [1756449943.5338] device (p2p-dev-wlan0): supplicant management interface state: associated -> disconnected
Aug 29 12:15:43 Pavilion NetworkManager[18845]: <info>  [1756449943.6341] device (wlan0): supplicant interface state: disconnected -> inactive
Aug 29 12:15:43 Pavilion NetworkManager[18845]: <info>  [1756449943.6342] device (p2p-dev-wlan0): supplicant management interface state: disconnected -> inactive
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.2226] agent-manager: agent[739566b3151e032d,:1.337/nmcli-connect/1000]: agent registered
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.2227] policy: auto-activating connection 'Airtel_meow' (519175b2-8479-406b-9c5b-8f3a936ff318)
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.2229] device (wlan0): Activation: starting connection 'Airtel_meow' (519175b2-8479-406b-9c5b-8f3a936ff318)
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.2231] audit: op="connection-update" uuid="519175b2-8479-406b-9c5b-8f3a936ff318" name="Airtel_meow" result="fail" reason="802-11-wireless-security.key-mgmt: property is missing"
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.2232] device (wlan0): state change: disconnected -> prepare (reason 'none', managed-type: 'full')
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.2233] manager: NetworkManager state is now CONNECTING
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.2737] device (wlan0): set-hw-addr: reset MAC address to C8:94:02:A9:85:23 (preserve)
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3173] device (wlan0): state change: prepare -> config (reason 'none', managed-type: 'full')
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3175] device (wlan0): Activation: (wifi) access point 'Airtel_meow' has security, but secrets are required.
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3175] device (wlan0): state change: config -> need-auth (reason 'none', managed-type: 'full')
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3177] device (wlan0): supplicant interface state: inactive -> interface_disabled
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3178] device (p2p-dev-wlan0): supplicant management interface state: inactive -> interface_disabled
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3181] device (wlan0): state change: need-auth -> prepare (reason 'none', managed-type: 'full')
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3182] device (wlan0): state change: prepare -> config (reason 'none', managed-type: 'full')
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3183] device (wlan0): Activation: (wifi) connection 'Airtel_meow' has security, and secrets exist.  No new secrets needed.
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3183] Config: added 'ssid' value 'Airtel_meow'
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3183] Config: added 'scan_ssid' value '1'
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3183] Config: added 'bgscan' value 'simple:30:-70:86400'
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3184] Config: added 'key_mgmt' value 'WPA-PSK WPA-PSK-SHA256 SAE'
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3184] Config: added 'auth_alg' value 'OPEN'
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3184] Config: added 'psk' value '<hidden>'
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3187] device (wlan0): supplicant interface state: interface_disabled -> inactive
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.3187] device (p2p-dev-wlan0): supplicant management interface state: interface_disabled -> inactive
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.8358] device (wlan0): supplicant interface state: inactive -> associated
Aug 29 12:15:46 Pavilion NetworkManager[18845]: <info>  [1756449946.8358] device (p2p-dev-wlan0): supplicant management interface state: inactive -> associated

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#2 2025-08-29 07:06:33

curious-wanderer
Member
Registered: 2025-08-29
Posts: 4

Re: NetworkManager: Wi-Fi connection fails with ‘key-mgmt: property is mis

The mobile hotspot seems to be unstable btw. It disconnects and reconnects after a while

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#3 2025-08-31 07:48:31

curious-wanderer
Member
Registered: 2025-08-29
Posts: 4

Re: NetworkManager: Wi-Fi connection fails with ‘key-mgmt: property is mis

Update:
I downgraded to version 1.48.6-1, as mentioned on the other post and it works. Am I meant to stay here forever?

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