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19 maggio 2026 Archiviato

Proxy Component Error Codes

You can use error codes and their messages to help monitor the health of your Workspace ONE Tunnel Proxy component. Learn more about the errors using their code, displayed name, and meaning to your Workspace ONE Tunnel Proxy environment.

CodeNameMeaning
0UNKNOWNUnknown error. A runtime exception while processing the request
1MISSING_HEADER Headers are missing. This can include headers such as "Proxy-Authorization".

Possible Cause: The request was stripped in transit or a bad request was sent from the application.

Possible Solution: Select all hops between the device and Workspace ONE Workspace ONE Tunnel to see if another network component (e.g. proxy, VPN) stripped the header.

2WRONG_ENCODING Proxy-Authorization header value is not Base64 encoded.

Possible Cause: The request was stripped in transit or a bad request was sent from the application.

Possible Solution: Select all hops between the device and Workspace ONE Tunnel to see if another network component (e.g. proxy, VPN) stripped the header.

3TOKENS_DONT_MATCH Client identification tokens in Proxy-Authorization header do not follow alg:%s;uid:%s;bundleid:%s format. ID_FORMAT should contain encryption algorithm, uid and bundleID in a specific format. One or more of these is not present.

Possible Cause: The request was stripped in transit or a bad request was sent from the application.

Possible Solution: Select all hops between the device and Workspace ONE Tunnel.

4INVALID_ALGOThe algorithm in the Proxy-Authorization token is not supported.
5EMPTY_CERT_CHAIN There is no certificate present in the digital signature passed in the Proxy-Authorization header

Possible Solution: Select all hops for a stripped certificate.

6SINGLE_SIGNER Error thrown if there are multiple signers found in the certificate chain. The request is expected to be signed by only one entity.

Possible Cause: A bad certificate.

Possible Solution: Create another certificate with a single signer.

7SINGLE_SIGNER_CERT Error thrown if there are multiple certificates for signers. The Workspace ONE Tunnel expects only one signer. The request signer should sign it with only one certificate.

Possible Cause: A bad certificate.

Possible Solution: Create another certificate with a single signer.

8INVALID_SIGN The signer information could not be verified.

Possible Solution: Import the signer into the trusted certificate store on the server.

9UNTRUSTED_ISSUER The certificate used for signing wasn't issued by Device-Root of the given OG.

Possible Cause: Workspace ONE UEM device root is different for enrolled OG and the OG on which Workspace ONE Tunnel is configured.

Possible Solutions: (1) Override the Workspace ONE UEM device root certificate and regenerate the Workspace ONE Tunnel certificate. (2) Export the Workspace ONE UEM certificate from the Console or reinstall the Workspace ONE Tunnel.

10MISSING_SIGN_TIME The signing time attribute which is used to determine potential replay attack is missing in the signature

Possible Cause: A bad certificate.

Possible Solution: Determine which certificate is bad in a request log. Create a correct certificate (if the cert is not a Workspace ONE UEM certificate). Rerun the Workspace ONE Tunnel installer.

11POTENTIAL_REPLAYThere is more than a 15 minute interval between signature creation by the requester (AW Browser, Wrapping, etc) and verification by Workspace ONE Tunnel.
12INVALID_SIGN_DATA There is discrepancy in the data that was signed by the requester (AW Browser, Wrapping, etc) and what was expected to be signed by Workspace ONE Tunnel. Any method other than the "CONNECT" request is sent to the Workspace ONE Tunnel and is rejected.

Possible Cause:  An invalid request.

Possible Solution: select all hops for what changed with the request at each hop.

13DATA_UNAVAILABLE The requester’s (AW Browser, Wrapping, etc) related data is not available with Workspace ONE Tunnel even after making an API call. No data available for Udid: #####, BundleId: ####.

Possible Cause: Workspace ONE Tunnel does not have device details.

Possible Solutions: Check the Workspace ONE Tunnel to API connection. Restart the Workspace ONE Tunnel service.

14INVALID_THUMBPRINT The thumbprint of the certificate used by the requester (AW Browser, Wrapping, etc) for signing and the one expected by Workspace ONE Tunnel is different. Invalid SHA-1 thumbprint. Udid: ####, BundleId: ####. Workspace ONE Tunnel expected: XYZ, Found:ABC

Possible Cause: Occurs only when device is re-enrolled.

Possible Solutions: Reinstall the Client (AWB, Wrapped application). Select the Workspace ONE Tunnel to AWCM connection. Restart Workspace ONE Tunnel Service.

15NOT_COMPLIANT The device making the request is not compliant (Must be in compliance states of ‘Compliant’ or ‘Not Available’).

Possible Cause: Workspace ONE Tunnel expected: X,Y, Found: Z

Possible Solution: Select the compliance status in the Device Dashboard.

16NOT_MANAGED The device is not managed by Workspace ONE UEM.

Possible Cause: The device is not enrolled.

Possible Solution: Enroll the device.

17INVALID_CERT The certificate used by the requester (AW Browser, Wrapping, etc) for signing is not valid (ex. signing time does not fall in the certificate lifetime).

Possible Solution:  Identify the invalid certificate.

18NEED_CHUNK_AGGREGATIONChunk aggregation is not enabled in MAG.properties file
19HOST_DISCREPANCYHost name in the URI does not match the one in the host header, deemed as a potential replay attack

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