#Ku configure outlook for mac install
Download and install the IIS URL Rewrite Module v2.1 on your Exchange Server 2016. Starting September 2021, Exchange Server 2016 CU22 requires the IIS URL Rewrite module for Microsoft Exchange Emergency Mitigation Service. NET 4.8 framework on your Exchange Server 2016. To install Exchange Server CU22 correctly and prevent issues after upgrading, install the pre-requisites and prepare the server for CU22 upgrade.ĭownload and install.
#Ku configure outlook for mac update
Then visit this page to download the Exchange Server 2016 CU22 update and mount the downloaded ISO. Get-ExchangeServer | fl Name,Edition,AdminDisplayVersion But before downloading the CU22 build, check your current CU by running the following command in Exchange Management Shell You can directly upgrade to CU22 from RTM or CU1 build. Step 1: Download the Exchange Server CU22 Build In this blog, we have discussed steps to install the CU22 and November 2021 security updates on Exchange Server 2016 correctly and avoid post-install issues or failed update scenarios that can render the server unusable. In such cases, you can’t roll back to the previous version and require to set up a new server if the problem is not fixed.
However, some users who upgraded to Exchange Server 2016 CU22 and installed the security patches released for CU22 reported failed installation issues. If your organization is running on earlier CU, we recommend you upgrade to the latest CU immediately to patch your server and continue receiving the latest Security Updates. The vulnerability affects the on-premises Exchange Servers, including Hybrid Exchange. The November 2021 security updates are available for the following Exchange Server builds, Microsoft has released critical security updates to patch a remote code execution vulnerability CVE-2021-42321 found in Exchange 2016 (CU22) and 2019 (CU10, CU11, CU21). In this blog, we have discussed steps to install the Exchange Server 2016 CU22 update and November 2021 Security Update by following Microsoft's recommendations. With this release, the pre-requisites for upgrading the Exchange Server to CU22 or later have changed. Exchange Server 2016 Cumulative Update 22 or CU22 was released in September 2021, introducing Microsoft Exchange Emergency Mitigation Service, a built-in version of the EOMT tool to mitigate risks and newer threats.
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