Exchange SE

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Unable To Access OWA Externally Via WAP 2025 – Still Working On It

Posted on by Rhoderick Milne [MSFT]
Unable to Access OWA via WAP 2025 - Still Working On It

After upgrading Web Application Proxy (WAP) to Windows Server 2015 you may run into an issue with certain applications that are published via WAP to the Internet.  This issue will also happen if you build a net new environment for both WAP 2019 and newer.  This post discusses WAP 2025, but the same is more than likely going to happen with WAP 2022

In the below example the AD FS upgrade went well wi… Read the rest “Unable To Access OWA Externally Via WAP 2025 – Still Working On It”

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Arbitration Mailboxes – Lay of The Land

Posted on by Rhoderick Milne [MSFT]

At this point in time, most Exchange administrators will have seen and worked with arbitration mailboxes.  Chances are that the first encounter was somewhat unexpected and revolved around an issue with Exchange 2013 health mailboxes or being unable to delete the default mailbox database in Exchange 2010.

To illustrate where the different arbitration mailboxes were first introduced, multiple ve… Read the rest “Arbitration Mailboxes – Lay of The Land”