7.21.2 "failed to set country" on hAP ax3 (both wifi1 and wifi2)

RouterOS Wireless Networking
1

I updated to 7.21.2 from 7.21.1 last night, and now both WiFi radios are reporting "failed to set country"

[admin@MikroTik] > /interface/wifi/print        
Flags: M - MASTER; B - BOUND; X - DISABLED, I - INACTIVE
Columns: NAME, MASTER-INTERFACE, CONFIGURATION.MODE, CONFIGURATION.SSID, CHANNEL.WIDTH
#     NAME      MASTER-INTERFACE  CONFIGURATION.MODE  CONFIGURATION.SSID   CHANNEL.WIDTH                      
;;; failed to set country
;;; 2.4GHz
3 MBI wifi1                       ap                  Lab3               
                                                                                        
;;; failed to set country
;;; 5.5GHz
4 MBI wifi2                       ap                  Lab3

The country is set

[admin@MikroTik] > /interface/wifi/configuration/print 
Flags: X - disabled 
 0   ;;; Home
     name="Home" mode=ap ssid="Lab3 country=United States dtim-period=2 security=home 
     security.authentication-types=wpa2-psk,wpa3-psk 
     datapath.bridge=bridge

I know the hardware is locked to North America (USA & Canada) - model C53UiG+5HPaxD2HPaxD

Does anybody have a workaround?

2

No config change after upgrade? Tried to downgrade to 7.21.1 and see if it is working?

3

Shouldn’t be an issue to the 5ghz but do you have a USB 3 Device connected?

4

No config change. Yes, it works again after downgrade to 7.21.1

5

No USB devices are connected to the router.

6

Might sound stupid, but it worked before:

What happens if you select a different country?

as another question for guys from NA:
Does a US Locked version of the AX-Devices actually exist?
And how do you actually tell them apart?

7

I only have a choice between "United States" and "Canada".
I tried setting to Canada, and received the same error.
In console, setting another country will fail, in the GUI, you can actually see the allowed countries list read-only on the 'Radio' section.

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8

If your channels are setup correctly (which i guess they are since 7.21.1 works) id assume its a bug.

https://help.mikrotik.com/servicedesk would be the place to go for that.

Or you could try 7.22beta.

on the AX devices so far i only remember USB being the culprit:
https://forum.mikrotik.com/t/chateau-pro-ax-wi-fi-radio-stops-completely-failed-to-set-country/

9

Is it truly set to anything other then US/Canada with version 7.21.1? Because not showing the error can mean that it is still prohibited to use either US or Canada.

Anything in the changelog?

Is GUI web or Winbox?

10

I saw the bug with the USB port.

This is a US router, so United States and Canada are the only choices available.
Setting it to a country other than those two will also fail (but that is expected).

11

Blind guess:
Do you force particular bands/antenna/power/etc. to be used that could not be allowed for US limits?
Maybe they are read&applied before country setting and if they are already set then setting country fails.

12

No, it's all left on default (e.g. without specific channel configuration).
There was a bug introduced in 7.17.1 where it was necessary to manually set channels on the 5GHz radio (reported to Mikrotik support in Feb 2025), but I removed all that once it was fixed.
The country-specific wireless restrictions do seem to break every few RouterOS releases - I understand it is a pain to have to comply on a hardware level, but at the same time I wish there was some QA testing to ensure the upgrade process is smooth.