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Alteryx Designer Knowledge Base

Definitive answers from Designer experts.

Connectors Troubleshooting Landing Page



Connectors Troubleshooting Landing Page

The following are common errors with Connector Tools. This is a landing page from the following Help articles to help route you to Community articles that address these issues.

Designer - Connectors  
Server -  Install Connectors and Custom Tools    


Common Connector Issues publishing to Server



Error when running first workflow on Server using a Connector:

Server 2021.1+

Invalid base64-encoded string: number of data characters (2929) cannot be 1 more than a multiple of 4

Server 2019.3 - 2020.4

Traceback (most recent call last): File "main.py", line 71, in pi_init RuntimeError: DecryptPassword only works with User and Machine encrypted passwords.

Server 2018.1 - 2019.2

Failed to decrypt value for adl_SecretKey!

Failed to decrypt values for clientSecret!

Failed to decrypt value for password!

Traceback (most recent call last): File "main.py", line 68, in pi_init RuntimeError: Internal Error: DecryptPassword - buffer too small.


Errors caused by missing configuration setting on Server and Designer, please contact Customer Support.  Please review




Error running workflow with Connector on Server using SSL

Failed to authenticate.

Connection to platform was not successful.

Failed to connect to platform

Older versions of Connector Tools will have an error similar to this:

Error establishing connection: HTTP error: SSLError(MaxRetryError("HTTPSConnectionPool(host='test.salesforce.com', port=443): Max retries exceeded with url: /path/file (Caused by SSLError(SSLError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:749)'),))",),)


Connection Errors with Python-based Connector Tools (460217) 


Error when running workflow on the Server:

Error: Unable to resolve plugin Python 'XXXXX\main.py' (Tool Id: X)


The version of the Connector the workflow refers to is not installed on the Server in the folder:


Scenario 1:  The version of the Connector referenced in the workflow needs to be installed on the Server as described above.  Alternatively, the workflow needs to be republished to the Server using a version of the Connector matching what's installed on the Server.

Scenario 2:  The Connector was installed on the Server to a C:\Users directory.  Delete all Connector Tools installed to this folder and reinstall as explained in:



Common Connector installation errors



An error occurred during installation.

ERROR: No matching distribution found for grpcio==...


Access to pypi.org is required during installation to download public packages.  If your machine is prohibited from accessing that domain, please contact your IT Team to see if the restriction can be removed or if it's acceptable for Alteryx to supply you with the required Python environment directly. Please also refer to Errors Occur When Installing Packaged Tool (YXI), Alteryx Connectors,


Additional Resources