After upgrade 3-tier connection fails with "Cannot connect to server. The remote server returned an error: (400) Bad Request".
![400) Bad Request - While calling RenderReport in Flow · Issue #24 · bguidinger/Xrm.ReportScheduler · GitHub 400) Bad Request - While calling RenderReport in Flow · Issue #24 · bguidinger/Xrm.ReportScheduler · GitHub](https://user-images.githubusercontent.com/22617839/62869928-be235f80-bce6-11e9-8e9c-6f20dcdafd86.png)
400) Bad Request - While calling RenderReport in Flow · Issue #24 · bguidinger/Xrm.ReportScheduler · GitHub
![SQL SERVER - Backup to URL Fails in Azure Resource Manager (ARM) Deployment Model with Error - (400) Bad Request - SQL Authority with Pinal Dave SQL SERVER - Backup to URL Fails in Azure Resource Manager (ARM) Deployment Model with Error - (400) Bad Request - SQL Authority with Pinal Dave](https://blog.sqlauthority.com/i/c/b2url-03.jpg)
SQL SERVER - Backup to URL Fails in Azure Resource Manager (ARM) Deployment Model with Error - (400) Bad Request - SQL Authority with Pinal Dave
![How to fix SQL backup to URL error: The remote server returned an error: ( 400) bad request | Official Pythian®® Blog How to fix SQL backup to URL error: The remote server returned an error: ( 400) bad request | Official Pythian®® Blog](https://blog.pythian.com/wp-content/uploads/Untitled-1.jpg)
How to fix SQL backup to URL error: The remote server returned an error: ( 400) bad request | Official Pythian®® Blog
![ssis - Azure Blob Source Error: The remote server returned an error: (400) Bad Request - Stack Overflow ssis - Azure Blob Source Error: The remote server returned an error: (400) Bad Request - Stack Overflow](https://i.stack.imgur.com/VWcs5.png)
ssis - Azure Blob Source Error: The remote server returned an error: (400) Bad Request - Stack Overflow
![The remote server returned an error: (400) Bad Request when trying to kick off a runbook using a step - Octopus Server - Octopus Deploy The remote server returned an error: (400) Bad Request when trying to kick off a runbook using a step - Octopus Server - Octopus Deploy](https://octopus-help-prod.s3.dualstack.us-west-2.amazonaws.com/original/3X/d/c/dc1ae068306abbeb0e84b3af493367cb34a3efcd.png)
The remote server returned an error: (400) Bad Request when trying to kick off a runbook using a step - Octopus Server - Octopus Deploy
![SQL SERVER - Fix: 400 - Bad Request Authentication Failed for Account and the Provided Key. Please Provide a Valid Key and Try Again - SQL Authority with Pinal Dave SQL SERVER - Fix: 400 - Bad Request Authentication Failed for Account and the Provided Key. Please Provide a Valid Key and Try Again - SQL Authority with Pinal Dave](https://blog.sqlauthority.com/i/e/ssms-err-400-02.jpg)
SQL SERVER - Fix: 400 - Bad Request Authentication Failed for Account and the Provided Key. Please Provide a Valid Key and Try Again - SQL Authority with Pinal Dave
![Microsoft Azure: The remote server returned an error: (400) Bad Request - explained - Hacker's ramblings Microsoft Azure: The remote server returned an error: (400) Bad Request - explained - Hacker's ramblings](https://blog.hqcodeshop.fi/uploads/Programming/Azure/AzureStorageAccount-1-create.png)
Microsoft Azure: The remote server returned an error: (400) Bad Request - explained - Hacker's ramblings
![ssis - Azure Blob Source Error: The remote server returned an error: (400) Bad Request - Stack Overflow ssis - Azure Blob Source Error: The remote server returned an error: (400) Bad Request - Stack Overflow](https://i.stack.imgur.com/TN8Q8.png)
ssis - Azure Blob Source Error: The remote server returned an error: (400) Bad Request - Stack Overflow
![Microsoft Azure: The remote server returned an error: (400) Bad Request - explained - Hacker's ramblings Microsoft Azure: The remote server returned an error: (400) Bad Request - explained - Hacker's ramblings](https://blog.hqcodeshop.fi/uploads/Programming/Azure/AzureStorageAccount-2-general-purpose-good.png)
Microsoft Azure: The remote server returned an error: (400) Bad Request - explained - Hacker's ramblings
After ppublishing App for SharePoint and Register ClientID、ClientSecret, [The remote server returned an error(400) Bad Request]
![c# - The remote server returned an error: (400) Bad Request when trying execute AddMessageAsync() - Stack Overflow c# - The remote server returned an error: (400) Bad Request when trying execute AddMessageAsync() - Stack Overflow](https://i.stack.imgur.com/0Cijk.png)