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Code Fix: Unable to register SOAP Web Service in Dynamics 365 Business Central with OAuth Authentication

  • March 19, 2025
  • 0 replies
  • 24 views

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Issue Description

When you attempt to register a Simple Object Access Protocol (SOAP) Web Service with Dynamics 365 Business Central using OAuth authentication, the registration process does not succeed and an error occurs.

Error Message:

The following error occurs:

"VALIDATIONThe remote server returned an error: (401) Unauthorized."

Resolution

The fix is available in:

  1. Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed.
  2. Download the latest Fix Pack using the links in the table above for the version you require.
  3. Install the Fix Pack to apply the fix.