I’ve recently been involved with a few projects involving security vulnerabilities from penetration scans and one of the clients were asked to secure their Exchange OWA portal load balanced behind a Citrix ADC so that 2 of the 6 headers that are identified to be
Problem You’ve received reports that browsing a Citrix ADC / NetScaler published Exchange OWA displays the following warning message in Chrome and Edge Chromium: Google Chrome Your connection is not fully secure This site uses an outdated security configuration, which may expose your information (for
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.
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
As a follow up to my previous post: Logging into SecurEnvoy 2fa enabled Exchange 2013/2016 OWA portal loops back to the login pagehttps://blog.terenceluk.com/2018/05/logging-into-securenvoy-2fa-enabled.html I eventually had to upgrade the environment with the latest SecurEnvoy server 9.3.502: … but quickly noticed that IE and Edge browser
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
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
Problem You’ve noticed that you are unable to access the Microsoft Exchange Admin Center (EAC) via the /ECP directory to manage Exchange: Server Error in ‘/ecp’ Application. Configuration Error Description: An error occurred during the processing of a configuration file required to service this request.
