Login to Azure Devops Server - Failed to authenticate using the supplied token
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- Python
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Description
### Describe the bug
I created a PAT in collection, then I run against the collection
`az devops login --organization https://myAZDServer.mydomain.net/Sierac-Utilities/`
or against a project inside the collection
`az devops login --organization https://myAZDServer.mydomain.net/Sierac-Utilities/dotNet%20Projects`
I also tired
`echo "XXXXXXX2csmm636cy37wtsfpaw7eh22222222" | az devops login --organization https://azuredevops2k19.salam.net/Sierac-Utilities/`
I always get
> Failed to authenticate using the supplied token
I access my Azure Devops server using https, certificate valid in browsers(Edge, chrome) created by XCA certificate and key management
What might be going wrong? Thanks for your help
### Related command
az devops login
### Errors
Failed to authenticate using the supplied token
### Issue script & Debug output
urllib3.connectionpool: Retrying (Retry(total=2, connect=3, read=3, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1032)'))': /Sierac-Utilities/_apis
urllib3.connectionpool: Starting new HTTPS connection (2): myserver.xxxxx.net:443
urllib3.util.retry: Incremented Retry for (url='/Sierac-Utilities/_apis'): Retry(total=1, connect=3, read=3, redirect=None, status=None)
urllib3.connectionpool: Retrying (Retry(total=1, connect=3, read=3, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1032)'))': /Sierac-Utilities/_apis
urllib3.connectionpool: Starting new HTTPS connection (3): myserver.xxxxx.net:443
urllib3.util.retry: Incremented Retry for (url='/Sierac-Utilities/_apis'): Retry(total=0, connect=3, read=3, redirect=None, status=None)
urllib3.connectionpool: Retrying (Retry(total=0, connect=3, read=3, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1032)'))': /Sierac-Utilities/_apis
urllib3.connectionpool: Starting new HTTPS connection (4): myserver.xxxxx.net:443
msrest.exceptions: Error occurred in request., SSLError: HTTPSConnectionPool(host='azuredevops2k19.salam.net', port=443): Max retries exceeded with url: /Sierac-Utilities/_apis (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1032)')))
### Expected behavior
To get logged to my Azure Devops Server collection
### Environment Summary
azure-cli 2.77.0 *
core 2.77.0 *
telemetry 1.1.0
Extensions:
account 0.2.5
automation 1.0.0b1
azure-devops 1.0.2
bastion 1.4.2
containerapp 1.2.0b3
interactive 1.0.0b1
next 0.1.3
resource-graph 2.1.1
spring-cloud 3.1.8
storage-preview 1.0.0b7
Dependencies:
msal 1.34.0b1
azure-mgmt-resource 23.3.0
Python location 'C:\Program Files\Microsoft SDKs\Azure\CLI2\python.exe'
Config directory 'C:\Users\myuser.azure'
Extensions directory 'C:\Users\myuser\.azure\cliextensions'
Python (Windows) 3.13.7 (tags/v3.13.7:bcee1c3, Aug 14 2025, 14:15:11) [MSC v.1944 64 bit (AMD64)]
Legal docs and information: aka.ms/AzureCliLegal
You have 2 update(s) available. Consider updating your CLI installation with 'az upgrade'
### Additional context
_No response_
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Assessment
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