Windows Azure Biztalk Services: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.

While deploying Biztalk Services to Windows Azure, you may get the following exception.

The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.

To resolve this issue download the SSL Certificate from the Azure portal and import to local machine Trusted Certificates.

Steps to download and import certificate to local machine:

1. Go to biztalk service from management portal
2. Click on Dashboard
3. Download SSL Certificate
   
4. In run type certmgr.msc 
5. Go to Trusted root certification authorities -> Certificates
6. Right click on Certificates=>All tasks => Import
   
7. Select downloaded certificate file and click on next=>next to import the certificate
8. You will get an alter message that Imported successfully.