Forum Discussion
fmcmahon
Feb 06, 2026Copper Contributor
Salesforce to MS Purview Integration
Hi, we are trying to setup Salesforce to MS Purview Integration for Data Mapping. Registration step is straightforward; however, we have run into issues trying to setup the scan itself. Error: Fail...
milgo
Microsoft
Feb 16, 2026Hello and thanks for reaching out.Typically, most 400 / testConnection failures with the Salesforce connector are caused by authentication misconfiguration — specifically the Connected App setup and credentials. Double‑check that OAuth is enabled on the Salesforce Connected App, the correct login endpoint is used (login.salesforce.com vs test.salesforce.com for sandboxes).
Please review the Authentication section of this document -
https://learn.microsoft.com/en-us/purview/register-scan-salesforce#authentication-for-a-scan