Merge branch 'master' into chrisda

Author: chrisda

exchange/docs-conceptual/exchange-server/exchange-management-shell.md

@@ -43,7 +43,9 @@ A benefit of remote PowerShell is that you can use Windows PowerShell on a local
 
 For details, see the following topics:
 
-- [Exchange 2016 system requirements](https://technet.microsoft.com/library/aa996719(v=exchg.160).aspx)
+- [Exchange 2019 system requirements](https://docs.microsoft.com/en-us/Exchange/plan-and-deploy/system-requirements?view=exchserver-2019)
+
+- [Exchange 2016 system requirements](https://docs.microsoft.com/en-us/Exchange/plan-and-deploy/system-requirements?view=exchserver-2016)
 
 - [Exchange 2013 system requirements](https://technet.microsoft.com/library/aa996719(v=exchg.150).aspx)
 
@@ -76,4 +78,4 @@ The following table provides links to topics that can help you learn about and u
 |[Find the permissions required to run any Exchange cmdlet](find-exchange-cmdlet-permissions.md)|Find the permissions you need to run a specific cmdlet, or one or more parameters on the cmdlet.|
 |[Exchange cmdlet syntax](exchange-cmdlet-syntax.md)|Learn about the structure and syntax of cmdlets in Exchange PowerShell.|
 |[Recipient filters in Exchange Management Shell commands](recipient-filters/recipient-filters.md)|Learn about recipient filters in the Exchange Management Shell.|
-|[Use Update-ExchangeHelp to update Exchange PowerShell help topics on Exchange servers](use-update-exchangehelp.md)|Learn how to use Update-ExchangeHelp to update help for Exchange cmdlet reference topics on Exchange servers.|
+|[Use Update-ExchangeHelp to update Exchange PowerShell help topics on Exchange servers](use-update-exchangehelp.md)|Learn how to use Update-ExchangeHelp to update help for Exchange cmdlet reference topics on Exchange servers.|