Merge pull request #97315 from billmath/pta1

Pta1

Author: Jak-MS

articles/active-directory/hybrid/TOC.yml

@@ -326,6 +326,8 @@
     href:  reference-connect-version-history.md
   - name: Azure AD Connect Health version history
     href: reference-connect-health-version-history.md
+  - name: Azure AD Pass-through Authentication agent version history
+    href: reference-connect-pta-version-history.md
   - name: Connector version history
     href: reference-connect-sync-connector-version-history.md
   - name: Accounts and permissions

articles/active-directory/hybrid/reference-connect-pta-version-history.md

@@ -0,0 +1,76 @@
+---
+title: 'Azure AD Pass-through Authentication: Version release history | Microsoft Docs'
+description: This article lists all releases of the Azure AD Pass-through Authentication agent
+services: active-directory
+author: billmath
+manager: daveba
+ms.assetid: ef2797d7-d440-4a9a-a648-db32ad137494
+ms.service: active-directory
+ms.topic: reference
+ms.workload: identity
+ms.date: 11/27/2019
+ms.subservice: hybrid
+ms.author: billmath
+ms.collection: M365-identity-device-management
+---
+
+# Azure AD Pass-through Authentication agent: Version Release History 
+ 
+The agents installed on-premises that enable Pass-through Authentication are updated regularly to provide new capabilities. This article lists the versions and features that are added when new functionality is introduced. Pass-through authentication agents are updated automatically when a new version is released. 
+
+Here are related topics: 
+
+- [User sign-in with Azure AD Pass-through Authentication](how-to-connect-pta.md) 
+- [Azure AD Pass-through Authentication agent installation](how-to-connect-pta-quick-start.md) 
+
+
+
+## 1.5.1007.0 
+### Release status 
+1/22/2019: Released for download  
+### New features and improvements 
+- Added support for Service Bus reliable channels to add another layer of connection resiliency for outbound connections 
+- Enforce TLS 1.2 during agent registration 
+
+## 1.5.643.0 
+### Release status 
+4/10/2018: Released for download  
+### New features and improvements 
+- Web socket connection support 
+- Set TLS 1.2 as the default protocol for the agent 
+ 
+## 1.5.405.0 
+### Release status 
+1/31/2018: Released for download  
+### Fixed issues 
+
+- Fixed a bug that caused some memory leaks in the agent. 
+- Updated the Azure Service Bus version, which includes a bug fix for connector timeout issues. 
+ 
+## 1.5.405.0 
+### Release status 
+11/26/2017: Released for download  
+### New features and improvements 
+- Added support for websocket based connections between the agent and Azure AD services to improve connection resiliency 
+
+## 1.5.402.0 
+### Release status 
+11/25/2017: Released for download  
+### Fixed issues 
+- Fixed bugs related to the DNS cache for default proxy scenarios 
+ 
+## 1.5.389.0 
+### Release status 
+10/17/2017: Released for download  
+### New features and improvements 
+- Added DNS cache functionality for outbound connections to add resiliency from DNS failures 
+ 
+## 1.5.261.0 
+### Release status 
+08/31/2017: Released for download  
+### New features and improvements 
+- GA version of the Azure AD Pass-through authentication agent 
+
+## Next steps
+
+- [User sign-in with Azure Active Directory Pass-through Authentication](how-to-connect-pta.md)