Forum Discussion
Service Returned and Invalid Token (Microsoft Exchange)
So I have seen people have this issue with salesforce, but not with a microsoft exchange account. Everything was working fine for weeks until suddenly this happened one day and now I can't refresh my...
I managed to solve this issue by updating Power BI web services. Find your workspace and your data model and click on settings. After that click on Data source credentials, then Edit credentials and select OAuth2. Sign in again using your Credentials and restart your PBI file. Hopefully this will fix your issue!