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Cloud configuration requirements for Pega Sales Automation calendar synchronization with Microsoft Exchange

The location of your Pega Sales Automation™ server (client server) and your Microsoft Exchange server affects the configuration requirements for calendar synchronization. If you are hosting one server on-premises and one in the cloud, you must perform an additional setup.

For more information, see the Pega Cloud product page.

Configuration requirements when your Pega Sales Automation server is in the cloud and your Microsoft Exchange server is on-premises

When your Pega Sales Automation server is hosted in the cloud, triggering requests to an on-premises Microsoft Exchange server is possible only when the Microsoft Exchange server is accessible to the Pega application server.

You can host your cloud instance as either a private cloud (internal to your network) or public cloud (external to your network):

  • If you have a private cloud instance that uses a VPN site-to-site tunnel, you can allow communications between your Pega Sales Automation server and your Microsoft Exchange server without exposing any of your environments to the Internet or moving them into the DMZ.
  • If you have a public cloud instance, you must set up a proxy in the DMZ to allow communications between the off-site (external) Pega Sales Automation server and the on-premises (internal) Microsoft Exchange server. The URL directs the off-site (external) Pega Sales Automation server or Exchange Web Services (EWS) to the proxy in the DMZ, which then passes on the communications to the on-premises (internal) Microsoft Exchange server.

Alternatively, you can choose one of the following approaches to allow communications between the off-site (external) Pega Sales Automation server and the on-premises (internal) Microsoft Exchange server:

  • Use an F5 in the DMZ to take the place of the proxy. The functionality remains the same.
  • Move your Microsoft Exchange server into the DMZ.

To receive notifications from your Microsoft Exchange server, you must add the Microsoft Exchange server IP to the allow list in your cloud configuration.

Configuration requirements when your Pega Sales Automation server is on-premises and your Microsoft Exchange server is in the cloud

Because your Microsoft Exchange server is on the cloud, you do not need to maintain any additional configuration settings to connect to it.

You must have access to the following elements:

  • Microsoft Office 365 Administrative Portal
  • Network edge devices to configure, for example, firewall, IPS, and Load Balancer
  • Pega Sales Automation server

If your Pega Sales Automation server is on an internal network and resides behind a firewall, IPS, or load balancer setup, and your Microsoft Exchange server is cloud-based (outside of your network), you must allow your network to permit communications from the cloud-hosted Microsoft Exchange server to the Pega Sales Automation server.

Required ports

Identify the port for inbound traffic to your network, for example, port 443.

For additional security, consider configuring your edge device to specify the inbound domains that send communications to the Pega Sales Automation server, so that only those from Microsoft Exchange online can communicate with the Pega Sales Automation server.

In many cases, the standard endpoint URL for Microsoft Exchange online is: https://outlook.office365.com/ews/exchange.asmx. In this example, you can configure your edge device’s policy to allow inbound communications from *.office365.com to communicate with the Pega Sales Automation server on the inbound traffic port. If you are unsure of your endpoint URL, contact your organization’s Microsoft Office 365 or Microsoft Exchange online administrator.

If this approach is too broad to meet your organization’s security policies, or you require more domains to be allow-listed, see the Office 365 URLs and IP address ranges article on the Microsoft support website.

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