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If you cannot connect to a WiFi network and get an error code, you can use the information in this article to find out what an error code means.

The following codes, which can display in a log, can help to you or your network administrator to troubleshoot a WiFi connection problem:

  • Deauthentication reason code: Indicates the reason for WiFi disassociation and deauthentication. That is, the reason that an unsolicited WiFi notification management frame of one of the following types was generated: Disassociation, Deauthentication, Delete Traffic Stream (DELTS), Delete Block Acknowledgement (DELBA), or Mesh Peering Close. For detailed information, see Table 1. 
  • Association status code: Indicates the WiFi association status that is assigned by an access point (AP) or a personal basic service set (PBSS) control point (abbreviated as PCP) during association in a Basic Service Set (BSS) infrastructure operation. That is, the status code for WiFi association (success) or disassociation (failure). For detailed information, see Table 2.

These codes are not specific to any vendor and are listed in IEEE Std 802.11™‐2020, Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications, which is the main source of the information for the following tables.

Table 1: Deauthentication Reason Codes

Reason code Reason Code name Description
0   Reserved
1 UNSPECIFIED_REASON Unspecified reason
2 INVALID_AUTHENTICATION The previous authentication is no longer valid
3 LEAVING_NETWORK_DEAUTH Deauthenticated because the sending station is leaving or has left the Basic Service Set (BSS).
4 REASON_INACTIVITY Disassociated because of inactivity.
5 NO_MORE_STAS Disassociated because the access point (AP) is unable to handle all currently associated stations.
6 INVALID_CLASS2_FRAME A class 2 frame was received from a nonauthenticated station.
7 INVALID_CLASS3_FRAME A class 3 frame was received from a nonauthenticated station.
8 LEAVING_NETWORK_DISASSOC Disassociated because the sending station is leaving or has left the Basic Service Set (BSS).
9 NOT_AUTHENTICATED The station requesting (re)association is not authenticated with the responding station.
10 UNACCEPTABLE_POWER_CAPABILITY Disassociated because the information in the Power Capability element is unacceptable.
11 UNACCEPTABLE_SUPPORTED_CHANNELS Disassociated because the information in the Supported Channels element is unacceptable.
12 BSS_TRANSITION_DISASSOC Disassociated because of Basic Service Set (BSS) transition management.
13 REASON_INVALID_ELEMENT An invalid element, that is, an element defined in this standard for which the content does not meet the specifications in Clause 9.
14 MIC_FAILURE Message integrity code (MIC) failure
15 4WAY_HANDSHAKE_TIMEOUT 4-way handshake time-out
16 GK_HANDSHAKE_TIMEOUT Group key handshake time-out
17 HANDSHAKE_ELEMENT_MISMATCH The element in a 4-way handshake is different from the (Re)Association Request/Probe Response/Beacon frame.
18 REASON_INVALID_GROUP_CIPHER Invalid group cipher
19 REASON_INVALID_PAIRWISE_CIPHER Invalid pairwise cipher
20 REASON_INVALID_AKMP Invalid authentication and key management protocol (AKMP)
21 UNSUPPORTED_RSNE_VERSION Unsupported Robust Security Network Element (RSNE) version
22 INVALID_RSNE_CAPABILITIES Invalid Robust Security Network Element (RSNE) version
23 802_1_X_AUTH_FAILED IEEE 802.1X authentication failed.
24 REASON_CIPHER_OUT_OF_POLICY The cipher suite was rejected because of the security policy.
25 TDLS_PEER_UNREACHABLE The Tunneled Direct Link Setup (TDLS) direct-link was brought down because the TDLS peer station was unreachable via the TDLS direct link.
26 TDLS_UNSPECIFIED_REASON The Tunneled Direct Link Setup (TDLS) direct-link was brought down for an unspecified reason,
27 SSP_REQUESTED_DISASSOC Disassociated because the session was terminated by a Self-Service Portal (SSP) request.
28 NO_SSP_ROAMING_AGREEMENT Disassociated because of lack of a Self-Service Portal (SSP) roaming agreement.
29 BAD_CIPHER_OR_AKM The requested service was rejected because of a Self-Service Portal (SSP) cipher suite or Authentication and Key Management (AKM) requirement.
30 NOT_AUTHORIZED_THIS_LOCATION The requested service is not authorized in this location.
31 SERVICE_CHANGE_PRECLUDES_TS The traffic stream (TS) was deleted because the Quality of Service (QoS) access point (AP) lacks sufficient bandwidth for this QoS station because of a change in Basic Service Set (BSS) service characteristics or operational mode (for example, a High Throughput (HT) BSS change from 40 MHz channel to 20 MHz channel).
32 UNSPECIFIED_QOS_REASON Disassociated for an unspecified, Quality of Service (QoS)-related reason.
33 NOT_ENOUGH_BANDWIDTH Disassociated because the Quality of Service (QoS) access point (AP) lacks sufficient bandwidth for
this QoS station.
34 MISSING_ACKS Disassociated when an excessive number of frames are not acknowledged because of access point (AP) transmissions or poor channel conditions, or both.
35 EXCEEDED_TXOP Disassociated because the station was transmitting outside the limits of its transmit opportunities (TXOPs).
36 STA_LEAVING The requesting station is leaving the Basic Service Set (BSS) or resetting.
37 END_TS
END_BA
The requesting station is no longer using the stream or session.
38 UNKNOWN_TS
UNKNOWN_BA
The requesting station received frames using a mechanism for which a setup has not been completed.
39 TIMEOUT Requested from the peer station because of a time-out.
40-45   Reserved
46 PEER_INITIATED In a Disassociation frame: Disassociated because the authorized access limit was reached.
47 AP_INITIATED In a Disassociation frame: Disassociated because of external service requirements.
48 REASON_INVALID_FT_ACTION_FRAME_COUNT Invalid fast transition (FT) Action frame count
49 REASON_INVALID_PMKID Invalid pairwise master key identifier (PMKID)
50 REASON_INVALID_MDE Invalid Mobility Domain Element (MDE)
51 REASON_INVALID_FTE Invalid Fast Transition Element (FTE)
52 MESH-PEERING-CANCELED Mesh peering was canceled for unknown reasons.
53 MESH-MAX-PEERS The mesh station reached the supported maximum number of peer mesh stations.
54 MESH-CONFIGURATIONPOLICY-VIOLATION The received information violated the Mesh Configuration policy configured in the mesh station profile.
55 MESH-CLOSE-RCVD The mesh station received a Mesh Peering Close frame requesting to close the mesh peering.
56 MESH-MAX-RETRIES The mesh station resent dot11MeshMaxRetries Mesh Peering Open frames without receiving a Mesh Peering Confirm frame.
57 MESH-CONFIRM-TIMEOUT The confirmation timer (confirmTimer) for the mesh peering instance timed out.
58 MESH-INVALID-GTK The mesh station did not unwrap the Group Temporal Key (GTK) or the values in the wrapped contents do not match.
59 MESH-INCONSISTENT-PARAMETERS The mesh station received inconsistent information about the mesh parameters between mesh peering Management frames.
60 MESH-INVALID-SECURITY-CAPABILITY The mesh station failed the authenticated mesh peering exchange because the pairwise ciphersuite or the group ciphersuite was not selected.
61 MESH-PATH-ERROR-NOPROXY-INFORMATION The mesh station did not have proxy information for this external destination.
62 MESH-PATH-ERROR-NOFORWARDING-INFORMATION The mesh station did not have forwarding information for this destination.
63 MESH-PATH-ERROR-DESTINATION-UNREACHABLE The link to the next hop of an active path in the mesh station's forwarding information is no longer usable.
64 MAC-ADDRESS-ALREADYEXISTS-IN-MBSS The Deauthentication frame was sent because the MAC address of the station already exists in the mesh Basic Service Set (BSS).
65 MESH-CHANNEL-SWITCH-REGULATORY-REQUIREMENTS The mesh station performed a channel switch to meet regulatory requirements.
66 MESH-CHANNEL-SWITCH-UNSPECIFIED The mesh station performed a channel switch without a specified reason.
67 TRANSMISSION_LINK_ESTABLISHMENT_ FAILED The transmission link establishment in the alternative channel failed.
68 ALTERATIVE_CHANNEL_OCCUPIED The alternative channel was occupied.
69-65535   Reserved

 

Table 2: Association Status Codes

Staus code Staton code name Description
0 SUCCESSS Successful
1 REFUSED, REFUSED_REASON_UNSPECIFIED Unspecified failure
2 TDLS_REJECTED_ALTERNATIVE_PROVIDED The Tunneled Direct Link Setup (TDLS) wakeup schedule was rejected but an alternative schedule is provided.
3 TDLS_REJECTED The Tunneled Direct Link Setup (TDLS) wakeup schedule was rejected.
4   Reserved
5 SECURITY_DISABLED Security was disabled.
6 UNACCEPTABLE_LIFETIME Unacceptable lifetime
7 NOT_IN_SAME_BSS Not in the same Basic Service Set (BSS)
8   Reserved
9   Reserved
10 REFUSED_CAPABILITIES_MISMATCH Not all requested capabilities in the Capability Information field are supported.
11 DENIED_NO_ASSOCIATION_EXISTS Reassociation was denied because the presence of the association cannot be confirmed.
12 DENIED_OTHER_REASON Association was denied because of a reason outside the scope of this standard.
13 UNSUPPORTED_AUTH_ALGORITHM The responding station does not support the specified authentication algorithm.
14 TRANSACTION_SEQUENCE_ERROR An authentication frame with an authentication transaction sequence number that is out of the expected sequence was received.
15 CHALLENGE_FAILURE Authentication was rejected because of challenge failure.
16 REJECTED_SEQUENCE_TIMEOUT Authentication was rejected because of a time-out while waiting for the next frame in the sequence.
17 DENIED_NO_MORE_STAS Association was denied because the access point (AP) is unable to handle additional associated stations.
18 REFUSED_BASIC_RATES_MISMATCH Association was denied because the requesting station does not support all of the data rates in the "BSSBasicRateSet" parameter, the "Basic HT-MCS Set" field of the HT Operation parameter, or the "Basic VHT-MCS And NSS Set" field in the VHT Operation parameter.
19 DENIED_NO_SHORT_PREAMBLE_SUPPORT Association was denied because the requesting station does not support the short preamble option.
20   Reserved
21   Reserved
22 REJECTED_SPECTRUM_MANAGE MENT_
REQUIRED
Association was denied because spectrum management capability is required.
23 REJECTED_BAD_POWER_CAPABILITY Association was denied because the information in the Power Capability element is unacceptable.
24 REJECTED_BAD_SUPPORTED_CHANNELS Association was denied because the information in the Supported Channels element is unacceptable.
25 DENIED_NO_SHORT_SLOT_TIME_SUPPORT Association was denied because the requesting station does not support a short slot time.
26   Reserved
27 DENIED_NO_HT_SUPPORT Association was denied because the requesting station does not support High Throughput (HT) features.
28 R0KH_UNREACHABLE The Pairwise Master Key (PMK-R0) Key Holder (R0KH) was unreachable.
29   Reserved
30 REFUSED_TEMPORARILY Association was temporarily denied; try again later.
31 ROBUST_MANAGEMENT_POLICY_VIOLATION A robust management frame policy violation occurred.
32 UNSPECIFIED_QOS_FAILURE Unspecified, Quality of Service (QoS)-related failure
33 DENIED_INSUFFICIENT_BANDWIDTH Association was denied because the Quality of Service (QoS) access point (AP) or personal basic service set (PBSS) control point (PCP) has insufficient bandwidth to handle another QoS station.
34 DENIED_POOR_CHANNEL_CONDITIONS Association was denied because of excessive frame loss rates, poor conditions on the current operating channel, or both.
35 DENIED_QOS_NOT_SUPPORTED Association with a Quality of Service (QoS) Basic Service Set (BSS) was denied because the requesting station does not support the QoS facility.
36   Reserved
37 REQUEST_DECLINED The request has been declined.
38 INVALID_PARAMETERS The request has not been successful because one or more parameters have invalid values.
39 REJECTED_WITH_SUGGESTED_CHANGES The allocation or traffic stream (TS) was rejected. However, a suggested traffic specification (TSPEC) or Directional Multi-Gigabit (DMG) TSPEC is provided so that the initiating station can attempt to set another allocation or TS with the suggested changes to the TSPEC or DMG TSPEC.
40 STATUS_INVALID_ELEMENT Invalid element, that is, an element defined in this standard for which the content does not meet the specifications in Clause 9.
41 STATUS_INVALID_GROUP_CIPHER Invalid group cipher
42 STATUS_INVALID_PAIRWISE_CIPHER Invalid pairwise cipher
43 STATUS_INVALID_AKMP Invalid authentication and key management protocol (AKMP)
44 UNSUPPORTED_RSNE_VERSION Unsupported Robust Security Network Element (RSNE) version
45 INVALID_RSNE_CAPABILITIES Invalid Robust Security Network Element (RSNE) capabilities.
46 STATUS_CIPHER_OUT_OF_POLICY The cipher suite was rejected because of the security policy.
47 REJECTED_FOR_DELAY_PERIOD The allocation or traffic stream (TS) was rejected. However, the hybrid coordinator (HC) or personal basic service set (PBSS) control point (PCP) might be capable of creating a TS or allocation, in response to a request, after the time indicated in the TS Delay element.
48   Reserved
49 NOT_PRESENT The destination station was not present within this Basic Service Set (BSS).
50 NOT_QOS_STA The destination station is not a Quality of Service (QoS) station.
51 DENIED_LISTEN_INTERVAL_TOO_LARGE Association was denied because the listen interval is too large.
52 STATUS_INVALID_FT_ACTION_FRAME_COUNT Invalid fast transition (FT) action frame count
53 STATUS_INVALID_PMKID Invalid pairwise master key identifier (PMKID)
54 STATUS_INVALID_MDE Invalid Mobility Domain Element (MDE)
55 STATUS_INVALID_FTE Invalid Fast Transition Element (FTE)
56 REQUESTED_TCLAS_NOT_SUPPORTED The requested Traffic Class (TCLAS) processing is not supported by the access point (AP) or personal basic service set (PBSS) control point (PCP).
57 INSUFFICIENT_TCLAS_ PROCESSING_
RESOURCES
The access point (AP) or personal basic service set (PBSS) control point (PCP) has insufficient Traffic Class (TCLAS) processing resources to satisfy the request.
58 TRY_ANOTHER_BSS The traffic stream (TS) was not created. However,  the hybrid coordinator (HC) or personal basic service set (PBSS) control point (PCP) suggests that the station transition to a different Basic Service Set (BSS) to set up the TS.
59 GAS_ADVERTISEMENT_ PROTOCOL_NOT_
SUPPORTED
The Generic Advertisement Service (GAS) advertisement protocol is not supported.
60 NO_OUTSTANDING_GAS_ REQUEST No outstanding Generic Advertisement Service (GAS) request
61 GAS_RESPONSE_NOT_ RECEIVED_FROM_
SERVER
The Generic Advertisement Service (GAS) response was not received from the advertisement server.
62 GAS_QUERY_TIMEOUT The station timed out waiting for a Generic Advertisement Service (GAS) query response.
63 GAS_QUERY_RESPONSE_ TOO_LARGE The Generic Advertisement Service (GAS) response is larger than query response length limit.
64 REJECTED_HOME_WITH_SUGGESTED_
CHANGES
The request was refused because the home network does not support the request.
65 SERVER_UNREACHABLE The advertisement server in the network was not reachable.
66   Reserved
67 REJECTED_FOR_SSP_ PERMISSIONS The request was refused because of the permissions that were received over the subscription service provider network (SSPN) interface.
68 REFUSED_UNAUTHENTICATED_ACCESS_
NOT_SUPPORTED
The request was refused because the access point (AP) or personal basic service set (PBSS) control point (PCP) does not support unauthenticated access.
69   Reserved
70   Reserved
71   Reserved
72 INVALID_RSNE Invalid contents of the Robust Security Network Element (RSNE) were detected, other than an unsupported RSNE version or invalid RSNE capabilities, authentication and key management protocol (AKMP), or pairwise cipher.
73 U_APSD_COEXISTENCE_NOT_SUPPORTED Unscheduled Automatic Power Save Delivery (U-APSD) coexistence is not supported.
74 U_APSD_COEX_MODE_NOT_SUPPORTED The requested Unscheduled Automatic Power Save Delivery (U-APSD) coexistence mode is not supported.
75 BAD_INTERVAL_WITH_U_APS D_COEX The requested interval or duration value cannot be supported with Unscheduled Automatic Power Save Delivery (U-APSD) coexistence.
76 ANTI_CLOGGING_TOKEN_REQUIRED The authentication was rejected because an anti-clogging token is required.
77 UNSUPPORTED_FINITE_CYCLIC_ GROUP The authentication was rejected because the offered finite cyclic group is not supported.
78 CANNOT_FIND_ALTERNATIVE_TBTT The target beacon transmission time (TBTT) adjustment request was not successful because the station could not find an alternative TBTT.
79 TRANSMISSION_FAILURE Transmission failure
80 REQUESTED_TCLAS_NOT_SUPPORTED The requested Traffic Class (TCLAS) is not supported.
81 TCLAS_RESOURCES_EXHAUSTED The Traffic Class (TCLAS) resources are exhausted.
82 REJECTED_WITH_SUGGESTED_ BSS_
TRANSITION
Rejected with a suggested Basic Service Set (BSS) transition.
83 REJECT_WITH_SCHEDULE Rejected with a recommended schedule.
84 REJECT_NO_WAKEUP_SPECIFIED Rejected because no wakeup schedule was specified.
85 SUCCESS_POWER_SAVE_MODE Success, the destination station is in power save mode.
86 PENDING_ADMITTING_FST_SESSION A Fast Session Transfer (FST) is pending, or in the process of admitting a FST session.
87 PERFORMING_FST_NOW Performing a Fast Session Transfer (FST) now.
88 PENDING_GAP_IN_BA_WINDOW A Fast Session Transfer (FST) is pending and there is one or more gaps in the block acknowledgement window.
89 REJECT_U-PID_SETTING Rejected because of the U-PID setting
90   Reserved
91   Reserved
92 REFUSED_EXTERNAL_REASON Association or reassociation was refused for an external reason.
93 REFUSED_AP_OUT_OF_MEMORY Association or reassociation was refused because of memory limits at the access point (AP).
94 REJECTED_EMERGENCY_ SERVICES_NOT_
SUPPORTED
Association or reassociation was refused because emergency services are not supported at the access point (AP).
95 QUERY_RESPONSE_OUTSTANDING The Generic Advertisement Service (GAS) query response was not yet received.
96 REJECT_DSE_BAND Rejected because the request was for transition to a frequency band that is subject to
Dynamic Spectrum Enablement (DSE) procedures and the Fast Session Transfer (FST) initiator is a dependent station.
97 TCLAS_PROCESSING_TERMINATED The requested Traffic Class (TCLAS) processing was terminated by the access point (AP).
98 TS_SCHEDULE_CONFLICT The traffic stream (TS) schedule conflicts with an existing schedule; an alternative schedule is provided.
99 DENIED_WITH_SUGGESTED_BAND_AND_
CHANNEL
The association was denied. However, one or more multi-band elements are included that can be used by the receiving station to join the Basic Service Set (BSS).
100 MCCAOP_RESERVATION_ CONFLICT The request failed because of a reservation conflict.
101 MAF_LIMIT_EXCEEDED The request failed because the Multiple Coordinated Channel Access (MCCA) access fraction (MAF) limit was exceeded.
102 MCCA_TRACK_LIMIT_EXCEEDED The request failed because the Multiple Coordinated Channel Access (MCCA) track limit was exceeded.
103 DENIED_DUE_TO_SPECTRUM_MANAGEMENT Association was denied because the information in the Spectrum Management field is unacceptable.
104 DENIED_VHT_NOT_SUPPORTED Association was denied because the requesting station does not support Very High Throughput (VHT)  features.
105 ENABLEMENT DENIED Enablement was denied.
106 RESTRICTION FROM AUTHORIZED GDB Enablement was denied because of a restriction from an authorized GNU Debugger (GDB).
107 AUTHORIZATION DEENABLED Authorization was disabled.
108 ENERGY_LIMITED_OPERATION_NOT_
SUPPORTED
Association or reassociation was refused because an energy limited operation is not supported on the access point (AP).
109 REJECTED_NDP_BLOCK_ACK_SUGGESTED BlockAck negotiation was refused because buffer constraints and other unspecified reasons caused the recipient to generate only Null Data Packet (NDP) BlockAck frames.
110 REJECTED_MAX_AWAY_DURATION_
UNACCEPTABLE
Association was denied because the suggested value for maximum away duration is unacceptable.
111 FLOW_CONTROL_OPERATION_SUPPORTED Association or reassociation was refused because flow control operation is not supported by the station, which is not an access point (AP).
112 FILS_AUTHENTICATION_FAILURE Authentication was rejected because of a Fast Initial Link Setup (FILS) authentication failure.
113 UNKNOWN_AUTHENTICATION_SERVER Authentication was rejected because of an unknown authentication Server.
114   Reserved
115   Reserved
116 DENIED_NOTIFICATION_PERIOD_ALLOCATION The request was denied because the allocation of the notification period failed.
117 DENIED_CHANNEL_SPLITTING The request was denied because the request of channel splitting failed.
118 DENIED_ALLOCATION The request was denied because the allocation request failed.
119 CMMG_FEATURES_NOT_SUPPORTED Association was denied because the requesting station does not support China Millimeter-Wave Multiple Gigabit (CMMG) features.
120 GAS_FRAGMENT_NOT_AVAILABLE The requested Generic Advertisement Service (GAS) fragment is not available.
121 SUCCESS_CAG_VERSIONS_MATCH Success. The CAG version that was provided by the requesting station is the same as the latest CAG version that was provided by the relevant server.
122 GLK_NOT_AUTHORIZED The station is not authorized to use GLK per the local policy.
123 UNKNOWN_PASSWORD_IDENTIFIER Authentication was rejected because the password identifier is unknown.
124   Reserved
125 DENIED_LOCAL_MAC_ADDRESS_ POLICY_
VIOLATION
The request was denied because the source address in the request is inconsistent with the local MAC address policy.
126 SAE_HASH_TO_ELEMENT Simultaneous Authentication of Equals (SAE) authentication uses direct hashing, instead of looping to obtain the Password Element (PWE).
127   Reserved
128 TCLAS_PROCESSING_TERMINATE D_
INSUFFICIENT_QOS
The requested Traffic Class (TCLAS) processing was terminated by the access point (AP) because of insufficient Quality of Service (QoS) capacity.
129 TCLAS_PROCESSING_TERMINATE D_
POLICY_CONFLICT
The requested Traffic Class (TCLAS) processing was terminated by the access point (AP) because of a conflict with higher layer Quality of Service (QoS) policies.
130-65535   Reserved

 

 

 

 

 

 

Last Updated:09/08/2025 | Article ID: 000068418

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