Oct
02
2016
You have an Exchange server (or cluster) that communicates to the outside world through a mail relay (also called smarthost in Microsoft terminology), usually in a DMZ. You’d now like to give some high availability to this infrastructure, that could ideally cover a disaster recovery plan. This can be achieved doubling servers on a second […]
Tags: Exchange, high availability, Mail, Microsoft
Sep
24
2016
While generating a Microsoft Exchange (or IIS web server) certificate, take the opportunity to add extra domain names and reuse it on Apache web servers. This will save you a few bucks and time, unless the CA provides a certificate for multiple platforms. PFX is a popular exchange format on Microsoft software such as Exchange […]
Tags: Apache, Certificate, Exchange, iis, Openssl, SSL
Oct
09
2015
You have configured in Exchange EAC (Exchange Admin Center) or with Powershell a retention policy that is supposed to clean up your deleted items for instance. But it does not apply to your mailboxes, nothing gets deleted. As suggested on Microsoft, the default policy is applied when you create an archive for the mailbox. But you’re […]
Tags: Exchange, Powershell
Jul
11
2015
When I update Exchange 2013 Address Book (phone number or any other details), Outlook does not seem to get updated, even the next day. It does not seem to be a problem on the client side since it tries to get the latest address book updates from Exchange at regular intervals. You can workaround this […]
Tags: Exchange, OAB, Outlook, Powershell
Jun
04
2015
Microsoft Exchange 2010 uninstall wizard throws some errors unless you previously go through the following steps. ⚠ This will remove all mailboxes, contacts, etc…! There’s no way back ⚠ We assume this is the last Exchange server. If not, be more specific on mailboxes to be removed, with -database for instance, or -server on connectors. […]
Tags: Exchange