Problem You’ve completed deploying the configuration required that allow clients to use AD FS (on Windows Server 2019) claims-based authentication to connect to Exchange Server 2019 Outlook on the web (formerly known as Outlook Web App) and the Exchange admin center (EAC) as outlined in
Problem You use the Remote Connectivity Analyzer to test external connectivity for an Exchange 2013/2016/2019 environment but notice that it fails with the following error: Testing MAPI over HTTP connectivity to server mail.contoso.com MAPI over HTTP connectivity failed. Additional Details Elapsed Time: 11 ms.
Problem You’ve received reports from users that they would intermittently receive the following error messages when they send an email with an attachment: The function cannot be performed because the message has been changed. The operation failed. The messaging interfaces have returned an unknown error.
One of the common questions I have been asked over the years is why the following error is thrown when an Exchange PowerShell cmdlet is executed on an object in another domain where the Exchange Organization is not installed with. The following is an example
Problem You attempt to enable a user for Unified Messaging in Exchange Server 2016 but receive the following error: Extension xxxx is already assigned to another user on the dial plan UMDialPlan or on an equivalent dial plan. You know that this extension was previously
I was recently involved in an Exchange 2013 to 2019 migration where the client had a KEMP load balancer providing load balancing services for the Exchange services. The KEMP configuration was handled by another engineer and all the internal and Test Remote Connectivity tests appeared
Problem You attempt to use the Exchange Admin Center (EAC) to activate a mailbox database in a DAG cluster but noticed that one of the nodes fails with the error: Mailbox G to L An Active Manager operation failed. Error: The database action failed. Error:
Problem You’ve just completed installing Exchange Server 2019 into an existing organization then proceed to create mailbox databases on the servers but notice that you receive the following error when you attempt to browse the mailbox databases: error Your request couldn’t be completed. Please try
I’ve recently had the opportunity to deploy Exchange Server 2019 CU1 on Windows Server 2019 and decided to capture the process so I can write this blog post demonstrating what the deployment process looks like. Before I proceed, the following are some URLs that will
Problem You’re installing Microsoft Exchange Server 2019 into an organization with Exchange Server 2013 and will use the installer to run Setup /PrepareAD: The installer begins at Step 1 of 14: Organization Preparation but fails with the following error: Error: The following error was generated
