For the secondary datacenter servers to use JBOD, you should have at least two highly available database copies in the secondary datacenter. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. We actively recommend that customers adopt security strategies such as Zero Trust (Never Trust, Always Verify), or apply real-time assessment policies when users and devices access corporate information. Best practice: Data integrity features must be disabled for the Exchange database (.edb) files or the volume that hosts these files. Exchange follows a quarterly delivery model to release Cumulative Updates (CUs) that address issues reported by customers. If they're using Basic authentication, they will be impacted by this change. Exchange volumes with BitLocker enabled are not supported on Windows failover clusters running earlier versions of Windows. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Learn about solutions for Exchange hybrid environments, and how to connect Exchange Server and Office 365. Outlook 2007 or Outlook 2010 cannot use Modern authentication, and will eventually be unable to connect. We'll publish more information on these changes when it becomes available. The EM service checks the issuer, the Extended Key Usage, and the certificate chain. Using a single disk is a single point of failure, because when the disk fails, the database copy residing on that disk is lost. The new EAC now includes easier mailbox management. After the other Exchange servers in the organization are upgraded with the September 2021 CU (or later), only then will the EM service honor the value of MitigationsEnabled parameter. Install the following software: a. The deprecation of basic authentication will also prevent the use of app passwords with apps that don't support two-step verification. Use the EAC in Exchange Online for more complex tasks. EM service will automatically apply mitigations to the Exchange server. For the full Teams experience, every user should be enabled for Exchange Online, SharePoint Online, and Microsoft 365 Group creation. File placement: database per log isolation. Understanding the storage options and requirements for Mailbox servers in Exchange Server 2016 and Exchange Server 2019 is an important part of your Mailbox server storage design solution. A basic disk contains basic volumes, such as primary partitions, extended partitions, and logical drives. Traditionally, Basic authentication is enabled by default on most servers or services, and is simple to set up. Switch to Outlook on the web or another mobile browser app that supports modern auth. We recommend using Outlook for iOS and Android when connecting to Exchange Online. The report can help you track down and identify clients and devices using Basic authentication. When using RAID-5 or RAID-6 configurations for the operating system, pagefile, or Exchange data volumes, note the following: RAID-5 configurations, including variations such as RAID-50 and RAID-51, should have no more than seven disks per array group and array controller high-priority scrubbing and surface scanning enabled. Supported hybrid deployment scenarios for Exchange 2016 Exchange 2016 supports hybrid deployments with Microsoft 365 or Office 365 organizations that have been upgraded to the latest version of Microsoft 365 or Office 365. SAN is an architecture to attach remote computer storage devices (such as disk arrays and tape libraries) to servers in such a way that the devices appear as locally attached to the operating system (for example, block storage). Partition alignment refers to aligning partitions on sector boundaries for optimal performance. When you install the September 2021 CU (or later) on Exchange Server 2016 or Exchange Server 2019, the EM service will be installed automatically on servers with the Mailbox role. Windows Server 2012 introduces the new 3.0 version of the SMB protocol with the following features: Limited Support. These older connection methods will eventually be retired, either through Basic authentication disablement or the end of support. The following tables identify the operating system platforms on which each version of Exchange can run. The EAC was introduced in Exchange Server 2013, and replaces the Exchange Management Console (EMC) and the Exchange Control Panel (ECP), which were the two WebExchange Online. Exporting logs for analysis requires a premium license for your Azure AD tenant. For dedicated lagged database copy servers, you should have at least two lagged database copies within a datacenter to use JBOD. Since the release of the Exchange Online PowerShell module, it's been easy to manage your Exchange Online settings and protection settings from the command line using Modern authentication. Prepare Active Directory and domains. NTFS allocation unit size represents the smallest amount of disk space that can be allocated to hold a file. We support the installation of any version of the .NET Framework 4.5 (for example, .NET Framework 4.5.1, .NET Framework 4.5.2, etc.) Storage Spaces allows you to organize physical disks into storage pools, which can be easily expanded by adding disks. However, we strongly encourage customers to move away from using Basic authentication with SMTP AUTH when possible. Select the check box in the Exchange Setup Wizard to install Windows prerequisites. If you're upgrading Exchange Server from an unsupported CU to the current CU and no intermediate CUs are available, you should first upgrade to the latest version of .NET that's supported by your version of Exchange Server and then immediately upgrade to the current CU. Exchange 2007 reached end of support on April 11, 2017, per the Microsoft Lifecycle Policy. Critical product updates are packages that address a Microsoft-released security bulletin or that contain a change in time zone definitions. Exchange 2013 or later requires the version of Windows PowerShell that's included in Windows (unless otherwise specified by an Exchange Setup-enforced prerequisite rule). Exchange follows a quarterly delivery model to release Cumulative Updates (CUs) that address issues reported by customers. 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These are required to verify authenticity of certificates used to sign the mitigations XML file. Outlook for iOS and Android fully integrates Microsoft Enterprise Mobility + Security (EMS), which enables In Exchange Server 2013 or later, we changed the way we deliver hotfixes and service packs by using a scheduled delivery model. If your SAN vendor has different best practices for cache configuration on their platform, follow the guidance of your SAN vendor. Log truncation, which occurs after a successful full or incremental Volume Shadow Copy Service (VSS) backup. However, placement of three highly available database copies, and the use of lagged database copies, can affect storage design. The Exchange Server supportability matrix provides a central source for Exchange administrators to easily locate information about the level of support available for any configuration or required component for supported versions of Microsoft Exchange Server. The EM service will not be installed on Edge Transport servers. Exchange follows a quarterly delivery model to release Cumulative Updates (CUs) that address issues reported by customers. Hybrid deployments. In this article. The following tables identify the versions of the Microsoft .NET Framework that can be used with the specified versions of Exchange. Install Exchange 2013 using the Setup wizard The Exchange Server supportability matrix provides a central source for Exchange administrators to easily locate information about the level of support available for any configuration or required component for supported versions of Find resources for managing Exchange Online in your Office 365 environment. The combination of the organization setting and the server settings determine the behavior of the EM service on each Exchange server. Follow storage vendor's best practices for tuning Fibre Channel host bus adapters (HBAs), for example, Queue Depth and Queue Target. The recommended configuration for an operating system, system, or pagefile volume is to use RAID technology to protect this data type. If a network proxy is deployed for outbound connectivity, you need to configure the InternetWebProxy parameter on the Exchange server by running the following command: In addition to outbound connectivity to the OCS, EM service needs outbound connectivity to various Certificate Revocation List (CRL) endpoints mentioned here. You can use the Exchange Management Shell Use backups for log truncation (for example, circular logging disabled). Supported. With these threats and risks in mind, we're taking steps to improve data security in Exchange Online. There will be no new security updates, non-security updates, free or paid assisted support options, or online technical content updates. You can enable or disable automatic mitigation at an organizational level or at the Exchange server level. For more information about Windows 7 BitLocker encryption, see BitLocker Drive Encryption in Windows 7: Frequently Asked Questions. When you use one of these options, you don't need to restart the computer after the Windows components have been added. Exchange 2013 prerequisites. During the upgrade process, the email profile will be updated on the iOS device and the user will be prompted to enter their username and password. For example, if a Mitigation named M1 is no longer relevant after installing an SU, the EM service will stop applying it, and it will be removed from the list of applied mitigations. When set to $false, the EM service still checks for mitigations hourly but won't automatically apply mitigations to any Exchange server in the organization, regardless of the value of MitigationsEnabled parameter at the server level. ReFS maintains high degree of compatibility with NTFS while providing enhanced data verification and autocorrection techniques and an integrated end-to-end resiliency to corruptions especially when used with the storage spaces feature. already doing so. Provision for three days of log generation capacity. Multiple databases per volume are a new JBOD scenario available in Exchange 2016 that allows for active and passive copies (including lagged copies) to be mixed on a single disk, enabling better disk utilization. For more information on Storage Spaces, see. Recipient management is one of the most crucial tasks that admins perform. Experience the new Exchange admin center Database per log isolation refers to placing the database file and logs from the same mailbox database on to different volumes backed by different physical disks. The new Exchange admin center (EAC) is a modern, web-based management console for managing Exchange that is designed to provide an experience more in line with the overall Microsoft 365 admin experience. 1 Requires the latest Office service pack and the latest public update. The settings for the cache are on each individual disk. Mailbox database and log volume co-location are not recommended in standalone architectures. [CDATA[ For Exchange 2013, see Updates for Exchange 2013. For many years, applications have used Basic authentication to connect to servers, services, and API endpoints. When using Basic authentication, the Authn column in the Outlook Connection Status dialog shows the value of Clear. In this article. Modern authentication (OAuth 2.0 token-based authorization) has many benefits and improvements that help mitigate the issues in basic authentication. The following table identifies the web browsers supported for use together with the premium version of Outlook Web App or Outlook on the web. Learn about solutions for Exchange hybrid environments, and how to connect Exchange Server and Office 365. IMAP is popular for Linux and education customers. Download the latest version of Exchange on the target computer. For Exchange Web Services (EWS), Remote PowerShell (RPS), POP and IMAP, and Exchange ActiveSync (EAS): Here's a table summarizing the options for proactively disabling basic authentication. The new EAC enables you to create and manage four types of groups: Microsoft 365 Groups, Distribution lists, Mail-enabled security groups, and Dynamic distribution lists. In this article. It also uses virtual disks (spaces), which behave just like physical disks, with associated powerful capabilities such as thin provisioning, and resiliency to failures of underlying physical media. You can read more about the timing here. The Exchange Server actions enable you to connect to an Exchange server and manage your correspondence. Furthermore, the enforcement of multifactor authentication (MFA) is not simple or in some cases, possible when Basic authentication remains enabled. EFS enables users to encrypt individual files, folders, or entire data drives. See Exchange admin center in Exchange Server. A network-attached storage (NAS) unit is a self-contained computer connected to a network, with the sole purpose of supplying file-based data storage services to other devices on the network. Verify that all Exchange services are in their normal start mode and started. Furthermore, as adoption of Microsoft 365 or Office 365 accelerates and cloud usage increases, custom support options for Office products will not be available. If you have usage, or are unsure, take a look at the Azure AD Sign-In report. Volume path refers to how a volume is accessed. Log truncation method is the process for truncating and deleting old database log files. Starting at the end of 2021, we started sending Message Center posts to tenants summarizing their usage of Basic authentication. For this reason, don't allow the storage controller to automatically move the most accessed files to "faster" storage. The cache settings are provided by a battery-backed caching array controller. Manage Exchange Online. Outlook for Windows uses MAPI over HTTP, EWS, and OAB to access mail, set free/busy and out of office, and download the Offline Address Book. Best practice: 100 percent write cache (battery or flash backed cache) for DAS storage controllers in either a RAID or JBOD configuration. Select the check box in the Exchange Setup Wizard to install Windows prerequisites. For the full Teams experience, every user should be enabled for Exchange Online, SharePoint Online, and Microsoft 365 Group creation. Threats posed by it have only increased since we originally announced that we were going to turn it off (see Improving Security - Together) There are better and more effective user authentication alternatives. Windows disk types for the Exchange 2016 Mailbox server role: The following table provides guidance on volume configurations. The Exchange Management Shell is built on Windows PowerShell technology and provides a powerful command-line interface that enables the automation of Exchange administration tasks. For example, it isn't a supported configuration to host one copy of a given database on a 512-byte sector disk and another copy of that same database on a 512e disk or 4K disk. iSCSI SANs encapsulate SCSI commands within IP packets and use standard networking infrastructure as the storage transport (for example, Ethernet). From a performance perspective, using large, slower disks for Exchange storage is okay, provided the disks can maintain an average read and write latency of 20 ms or less under load. This parameter is set to the value $true as soon as the first Exchange server in your organization is upgraded to the September 2021 CU (or later). Enabling Modern Auth for Outlook How Hard Can It Be? Simplicity isn't at all bad, but Basic authentication makes it easier for attackers to capture user credentials (particularly if the credentials are not protected by TLS), which increases the risk of those stolen credentials being reused against other endpoints or services. Support requires that all copies of a database reside on the same physical disk type. Using storage tiers isn't recommended, as it could adversely affect system performance. Don't share physical disks backing up Exchange data with other applications. The Exchange admin center (EAC) is the web-based management console in Exchange Server that's optimized for on-premises, online, and hybrid Exchange deployments. It does this by physically organizing the contents of the disk to store the pieces of each file close together and contiguously. The Exchange Server actions enable you to connect to an Exchange server and manage your correspondence. It also allows applications to communicate with any server program that is set up to receive an SMB client request. Use the EAC in Exchange Online for more complex tasks. BitLocker protects against data theft or exposure on computers that are lost or stolen, and it offers more secure data deletion when computers are decommissioned. If you are a Microsoft 365 user, click the following link to access Microsoft 365 Outlook Web App: Outlook.Office365.com. Windows BitLocker is a data protection feature in Windows Server 2008. The Exchange admin center (EAC) is the web-based management console in Exchange Server that's optimized for on-premises, online, and hybrid Exchange deployments. Critical product updates are packages that address a Microsoft-released security bulletin or that contain a change in time zone definitions. Exchange ActiveSync (EAS) Many users have mobile devices that are set up to use EAS. Learn more at Exchange admin center in Exchange After successful validation, the EM service applies the mitigation. At this time, we encourage customers to complete their migration and upgrade plans. Once mitigations are applied to a server, you can view the applied mitigations by replacing with the name of the server, and then running the following command: To see the list of applied mitigations for all Exchange servers in your environment, run the following command: If you accidentally reverse a mitigation, the EM service will reapply it when it performs its hourly check for new mitigations. For example, .\Get-Mitigations.ps1 -Identity . OAuth 2.0 support started rolling out in April 2020. How Exchange Management Shell works on Edge Transport servers. An MBR, or partition sector, is the 512-byte boot sector that is the first sector (LBA Sector 0) of a partitioned data storage device such as a hard disk. Just know that enabling Basic on WinRM is not using Basic to authenticate to the service. For the full Teams experience, every user should be enabled for Exchange Online, SharePoint Online, and Microsoft 365 Group creation. Data deduplication is a technique to optimize storage utilization. For more information, see Exchange Online PowerShell: Turn on Basic authentication in WinRM. Supported hybrid deployment scenarios for Exchange 2016 Exchange 2016 supports hybrid deployments with Microsoft 365 or Office 365 organizations that have been upgraded to the latest version of For example, test the use of Outlook Web App Light in Safari, Chrome, or Internet Explorer. To deploy a JBOD solution, you must deploy a minimum of three highly available database copies. For example, DAS transports include Serial Attached Small Computer System Interface (SCSI) and Serial Attached Advanced Technology Attachment (ATA). These numbers are indicative only, and do not necessarily reflect successful access to mailboxes or data. All storage used by Exchange for storage of Exchange data must be block-level storage because Exchange 2016 doesn't support the use of NAS volumes, other than in the SMB 3.0 scenario outlined in the article Exchange Server virtualization. If the email app is current, but is still using Basic authentication, you might need to remove the account from the device and then add it back. Best practice: For recoverability, move database (.edb) file and logs from the same database to different volumes backed by different physical disks. EM service will not automatically apply mitigations to any Exchange server. Move to Outlook for iOS and Android or another mobile email app that supports Modern Auth, Update the app settings if it can do OAuth but the device is still using Basic. To deploy on JBOD with the primary datacenter servers, you need three or more highly available database copies within the DAG. After an SU or a CU has been installed, an admin must manually remove any mitigations that are no longer needed. Many users have mobile devices that are set up to use EAS. This includes minor and patch-level releases of the .NET Framework. Exchange Server actions require a connection to an Exchange server that you can establish using the Connect to Exchange server action. For details on moving from the V1 version of the module to the current version, see this blog post. But the usage summary does indicate that something or someone is successfully authenticating to your tenant using Basic authentication. In Office 365 Operated by 21Vianet, we'll begin disabling Basic authentication on March 31, 2023.
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