AIRDESK / SUPPORT
Find help by error code
Enter an app error code (ERR-xxxx), an API detail code such as REMOTE_APPROVAL_BUSY, or a symptom to find the next steps.
100 results
Unclassified error
Note the code, failed stage and reason in the error window, or take a screenshot.
ERR-1001Sign-in failed or required
Check that you are signed in to the account used for the PC you want to access.
ERR-1002You do not have permission to connect or perform this action
Check that you are signed in to the account used for the PC you want to access.
ERR-1003Server request failed
ERR-1003 is a general server request failure. Find the detailed code, such as REMOTE_APPROVAL_BUSY, in the error reason and look it up below.
ERR-1004Remote PC is unavailable
Check that you are signed in to the account used for the PC you want to access.
ERR-1005Connection approval failed
Check that you are signed in to the account used for the PC you want to access.
ERR-1006Connection approval timed out
Check that you are signed in to the account used for the PC you want to access.
ERR-1007Invalid server response
Check that you are signed in to the account used for the PC you want to access.
ERR-1008Verify your new login network
Check your account email inbox and spam folder for the login verification email.
ERR-1009Login verification email could not be sent
The verification email could not be sent. Sign-in is incomplete because the new network has not been approved.
ERR-1010Sign in again to connect to other computers
Sign in again on this computer before connecting to other computers.
ERR-1011Saved sign-in expired or revoked
Your saved sign-in has expired or been revoked. Sign in again on this computer.
ERR-1012The computer date or time does not match the server
Check that you are signed in to the account used for the PC you want to access.
ERR-2001Could not find a direct connection route
Check that both PCs have internet access and the remote PC is powered on.
ERR-2002Direct UDP connection failed
Check that both PCs have internet access and the remote PC is powered on.
ERR-2003Direct UDP connection attempt timed out
Check that the remote PC is on and both devices have internet access, then try connecting again.
ERR-2004Secure handshake timed out
Check that both PCs have internet access and the remote PC is powered on.
ERR-2005Could not verify the host identity or session authorization
Check that both PCs have internet access and the remote PC is powered on.
ERR-2006Local UDP port is unavailable
Check that both PCs have internet access and the remote PC is powered on.
ERR-2007The connection ended unexpectedly
Check that both PCs have internet access and the remote PC is powered on.
ERR-2008The remote session authorization is no longer valid
Check that the remote PC can reach the internet and the AirDesk server.
ERR-3001Could not start the remote screen renderer
Check that the display you want to use is connected to the remote PC and powered on.
ERR-3002Could not start the video decoder
Check that the display you want to use is connected to the remote PC and powered on.
ERR-3003Could not capture the remote PC screen
Check that the display you want to use is connected to the remote PC and powered on.
ERR-3004Video encoding failed on the remote PC
Check that the display you want to use is connected to the remote PC and powered on.
ERR-3005Virtual display operation failed
Check that the display you want to use is connected to the remote PC and powered on.
ERR-3006The first video packet has not arrived
Check that the display you want to use is connected to the remote PC and powered on.
ERR-3007The first video frame is incomplete
Check that the display you want to use is connected to the remote PC and powered on.
ERR-3008Video decoding failed or stalled
Check that the display you want to use is connected to the remote PC and powered on.
ERR-3009Decoded video is not showing on screen
Check that the display you want to use is connected to the remote PC and powered on.
ERR-4001Audio operation failed
Check whether the speaker, mouse, keyboard or gamepad works outside the remote session.
ERR-4002An input operation failed
Check whether the speaker, mouse, keyboard or gamepad works outside the remote session.
ERR-4003Virtual gamepad error
Check whether the speaker, mouse, keyboard or gamepad works outside the remote session.
ERR-4004Operating system permission is required
Check whether the speaker, mouse, keyboard or gamepad works outside the remote session.
ERR-5001Could not start the remote process
Save any ongoing work, then close and reopen the app.
ERR-5002Remote process exited before the first frame
Save any ongoing work, then close and reopen the app.
ERR-5003Stage completion was not reported in time
Save any ongoing work, then close and reopen the app.
ERR-5004Could not apply the settings
Save any ongoing work, then close and reopen the app.
ERR-5005Local file or interprocess communication failed
Save any ongoing work, then close and reopen the app.
ERR-5006Could not start the host
Save any ongoing work, then close and reopen the app.
ACCOUNT_CLOSURE_REGION_UNAVAILABLEAccount closure information is temporarily unavailable
Account closure could not finish because information in another account region could not be checked.
CHECKOUT_DISABLEDCheckout is currently unavailable
Checkout is currently unavailable for this selection. Check the payment options shown on the plans page.
CLIENT_LOGIN_REQUIREDSign in again to connect to other PCs
Sign in again in the app on this computer to connect to other PCs.
COMPUTER_ACCOUNT_REGION_CONFLICTThis computer belongs to another account region
Check the account that registered this computer and the account currently signed in.
COMPUTER_TIER_REQUIRES_PROChanging a computer tier requires Pro
Changing a computer tier requires Pro or higher.
COUPON_AMOUNT_INVALIDThe payment amount is not eligible for this discount
Check the selected plan and discount, then choose another coupon or payment option.
COUPON_DUPLICATEThis coupon code has already been issued
Check whether this coupon code has already been issued instead of repeatedly issuing it.
COUPON_INELIGIBLEThis account or order is not eligible for the coupon
Check the coupon code, expiry date, and eligible account and plan conditions.
COUPON_INVALIDThis coupon is not valid
Check the coupon code, expiry date, and eligible account and plan conditions.
COUPON_KIND_MISMATCHUse this coupon in the correct place
Check the coupon type. Apply discount coupons during checkout.
COUPON_PLAN_MISMATCHThis coupon does not apply to the selected plan
Check the coupon code, expiry date, and eligible account and plan conditions.
DEVICE_IDENTITY_CONFLICTThis computer has conflicting device registration
Check the original and destination computers if you copied the app profile or migrated it.
DEVICE_IDENTITY_FRESH_LOGIN_REQUIREDSign in again before changing this device's account
Sign in again in the AirDesk app on this computer.
DEVICE_IDENTITY_LEGACY_ENROLLMENT_REQUIREDVerify this device with its previous account
Sign in once with the account previously used on this PC to finish enrolling the device.
DEVICE_IDENTITY_PROOF_REQUIREDA fresh device check is required
Update AirDesk on this computer and sign in again.
ENTERPRISE_MFA_REQUIREDYour organization requires two-factor authentication
Your organization requires two-factor authentication. Enable it in the website security settings.
ENTERPRISE_RELAY_DISABLEDEnterprise relay fallback is not enabled
Ask your administrator whether Enterprise relay fallback is enabled for the organization.
HOST_ALREADY_RUNNINGA host is already running on this PC
Check whether an AirDesk host is already running on this PC.
HOST_SNAPSHOT_CHANGEDThe computer or connection list has changed
Refresh the computer list or connection management page to load its latest state.
HOST_UPDATE_REQUIREDThe remote PC needs an app update
Update AirDesk on the remote PC you want to connect to.
INVALID_CREDENTIALSCheck your email or password
Check your email and password, then sign in again.
INVALID_MQTT_ENROLLMENTRealtime connection registration is invalid
Update AirDesk on this computer and sign in again.
INVALID_TWO_FACTOR_CODEThe two-factor authentication code is invalid
Enter the latest six-digit code from your authenticator app.
IP_VERIFICATION_EMAIL_FAILEDThe sign-in verification email could not be sent
Sign-in is incomplete because the verification email could not be sent.
IP_VERIFICATION_REQUIREDVerify the new sign-in by email
Look for the sign-in verification email in your inbox and spam folder.
LOGIN_SESSION_REVOKEDYour sign-in has expired or been revoked
Sign in again in the AirDesk app on this computer.
MCP_BRIDGE_LIMITToo many PCs are connected to online MCP
One account can connect at most 5 PCs as online MCP bridges at the same time.
MCP_KEY_FIELD_INVALIDCheck the API key form
The server did not accept one of the values in the API key form.
MCP_KEY_LIMITYou cannot create more API keys
One account can have at most 10 active API keys.
MCP_KEY_NOT_FOUNDThe API key was not found
This account has no API key with that ID.
MCP_ONLINE_DISABLEDOnline MCP is not available yet
Online MCP has not been enabled for this account yet.
MCP_REAUTH_OTPThe authentication code for creating the API key was not accepted
Creating an API key requires the 6-digit code from your authenticator app, and the code was missing or not accepted.
MCP_REAUTH_PASSWORDThe password for creating the API key was not accepted
Creating an API key requires your current account password, and the one you entered was not accepted.
MQTT_AUTHORIZER_UNAVAILABLERealtime connection authentication is unavailable
Check the AirDesk app and your internet connection, then try again shortly.
MQTT_CONFIGURATION_UNAVAILABLEThe realtime connection service is not ready
Check the AirDesk app and your internet connection, then try again shortly.
MQTT_CONNECTION_CHANGEDYour realtime connection has changed
Update AirDesk on this computer and sign in again.
MQTT_CONNECTION_PENDINGThe realtime connection is getting ready
The realtime connection is still getting ready. Wait briefly and try again.
MQTT_CONNECTION_REQUIREDA realtime connection is required
Update AirDesk on this computer and sign in again.
MQTT_ENDPOINT_UNAVAILABLEThe realtime connection server is unavailable
Check the AirDesk app and your internet connection, then try again shortly.
MQTT_LOGIN_REQUIREDSign in to use the realtime connection
Sign in again in the AirDesk app on this computer.
MQTT_REQUIREDAn app with realtime connection support is required
Update AirDesk on the remote PC you want to connect to.
MQTT_ROLE_FORBIDDENThis device is not allowed to use that connection role
Check whether this account is allowed to share or connect to this PC.
REGION_UNAVAILABLEThe AirDesk region that holds your account is temporarily unreachable
The online MCP call could not reach the region where your account is stored, and it was not counted toward your usage.
REGISTRATION_LEGAL_VERSION_CHANGEDThe sign-up terms have changed
Refresh the sign-up page and review the latest terms and privacy notice.
RELAY_PROVIDER_UNAVAILABLEThe relay service is temporarily unavailable
The relay connection service is temporarily unavailable. Try connecting again later.
RELAY_REQUIRES_ENTERPRISERelay fallback requires Enterprise
Relay fallback is available only for authorized Enterprise connections.
RELAY_SESSION_EXPIRINGThe session is too close to expiry for relay
The current session is too close to expiry to open a relay. End it and start a new connection.
RELAY_UPDATE_REQUIREDBoth apps need an update to use relay fallback
Update AirDesk on both the remote PC and the connecting device.
REMOTE_APPROVAL_BUSYThe remote PC is waiting for a response to another request
The remote PC has an unanswered connection request. Wait until the host responds or the displayed retry time ends.
REMOTE_APPROVAL_COOLDOWNConnection requests are temporarily limited
A rejection or repeated requests in a short time can temporarily limit connection requests.
SESSION_ENDEDYour sign-in ended before the API key could be created
Your login session was revoked while the API key was being created, so no key was created.
SESSION_MANAGEMENT_REQUIRES_PROWebsite session management requires Pro
Website session management requires Pro or higher.
TWO_FACTOR_REQUIREDTurn on two-factor authentication first
API keys can only be created on an account with two-factor authentication turned on.
WAKE_NO_HELPER_ONLINENo other AirDesk device is online on the same network
Sending a wake signal requires another signed-in AirDesk device that is online on the same network as the target computer.
WAKE_ON_LAN_DISABLEDRemote boot is turned off for this computer
The computer's owner has turned off remote boot for this computer.
WAKE_ON_LAN_UNAVAILABLERemote boot is not available on this computer
Remote boot is not enabled on this computer, or its MAC address has not been registered.
MCP_OAUTH_CLIENT_INVALIDThis MCP client request cannot be verified
The AI app's registration or its return address is not valid.
MCP_OAUTH_PKCE_REQUIREDThis AI app does not support the secure sign-in method
AirDesk only connects MCP clients that use PKCE (S256).
MCP_OAUTH_REQUEST_INVALIDThe connection request is malformed
A value in the AI app's connection request is not in an accepted format.
MCP_OAUTH_RESOURCE_INVALIDThe request is for something other than AirDesk MCP
This approval page only grants access to AirDesk online MCP (mcp.airdesk.co.kr).