Return
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Title
"An error occurred while sending the request" encountered when attempting to integrate Azure Tenant with Active Roles -
Description
When configuring the Azure Tenant in the Active Roles Web Interface, the following error message is encountered:
An error occurred while sending the request. The underlying connection was closed: an unexpected error occurred on a send. Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.
A Fiddler capture shows the following:
The following fatal alert was received: 40.
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Cause
TLS 1.0 has been disabled on the Active Roles Administration Service host and the Microsoft .NET API's that Active Roles leverages have a default dependency on TLS 1.0. -
Resolution
WORKAROUND
- Create the following four registry keys on the Active Roles Administration Service host(s):
Key : HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319Value: SchUseStrongCryptoType: REG_DWORDData : 1Key : HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319Value: SystemDefaultTlsVersionsType: REG_DWORDData : 1andKey : HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\.NETFramework\v4.0.30319Value: SchUseStrongCryptoType: REG_DWORDData : 1Key : HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\.NETFramework\v4.0.30319Value: SystemDefaultTlsVersionsType: REG_DWORDData : 1- Reboot the Active Roles host