Skip to main content
cancel
Showing results for 
Search instead for 
Did you mean: 

The Power BI DataViz World Championships are on! With four chances to enter, you could win a spot in the LIVE Grand Finale in Las Vegas. Show off your skills.

Reply
danielcontente
Helper II
Helper II

DataSource.Error: Web.Contents failed to get contents from URL (431): Request Header Fields Too Larg

Hi, 

Suddenly I started getting the following error when refreshing my data:
DataSource.Error: Web.Contents failed to get contents from URL (431): Request Header Fields Too Large
Details:
DataSourceKind=Salesforce
DataSourcePath=https://login.salesforce.com/

 

I would much appreciate if someone could help.

 

Thanks in advance

1 REPLY 1
foodd
Super User
Super User

HTTP Error 431 which officially says "Request header fields too large," means the

server has dropped the request. The header sent by the user is either too long or

too large, and the server denies it.

 

If I understand correctly, the query with this request worked previously, and without

making any changes to the query it now fails when using the Salesforce Connectors that

are developed and maintained by Salesforce.com .

 

I encourage you to open an Issue at  Issues - Microsoft Fabric Community, and if this is more

urgent to open a Microsoft Support Case.

 

As a Salesforce customer, you have the ability to Create a Support Case

for individualized support or the ability to search for a related issue

or other documentation. 

Helpful resources

Announcements
Las Vegas 2025

Join us at the Microsoft Fabric Community Conference

March 31 - April 2, 2025, in Las Vegas, Nevada. Use code MSCUST for a $150 discount!

FebPBI_Carousel

Power BI Monthly Update - February 2025

Check out the February 2025 Power BI update to learn about new features.

Feb2025 NL Carousel

Fabric Community Update - February 2025

Find out what's new and trending in the Fabric community.

Top Solution Authors