categories
Exchange
55 entries
20 entries

A number of emails failed to be processed by GFI MailEssentials
Recently in not really long time one of our Clients reported that GFI Mail Essentials started reporting that a number of…

Active Sync doesn’t work for some users on Exchange 2010/2013
Recently our team had a case where some users started complaining that they cannot configure Windows Phone / Android 5…

Bittitan MigrationWiz – The selected Mailboxes cannot be subscribed
Recently I’m doing yet another migration between Office 365 tenants using Bittitan Migration Wizard. It’s a great tool and takes away a lot…

Bittitan MigrationWiz – Users getting undergoing maintenance message
MigrationWiz from Bittitan is one of the best tools on the market allowing for migration of user mailboxes. Whether it’s a google account,…

Changing Exchange folder permissions in multilanguage Office 365 tenants
One of the tasks I often get when setting up new Office 365 tenant or installing Exchange Servers is to change the visibility of Room Mailb…

Creating Visual Indicators for spoofed / external emails with PowerShell
I’ve been managing mail service for users for a lot of years now. I don’t do it daily but I’ve spent my fair share of time analyzing spam e…

Does GFI Mail Essentials 20.1 support full SPF specification
Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow…

Easy way to send emails using Microsoft Graph API (Office 365) with PowerShell
When you’re using Office 365 and want to send an email, you have two choices SMTP or Microsoft Graph API, which is a “new” kid on the block…

Exchange 2010 / 2013 meetings with rooms stopped working
Our client had a little problem today where after patching of all Exchange 2010 / 2013 servers users started noticing weird issues with…

Exchange 2013 CU9 KB3087126 installation goes bad
After installing CU9 on our customers systems and rebooting Windows we usually check for any additional updates that may come…

Exchange 2013 integration with SharePoint doesn’t work
The steps to integrate new Microsoft Exchange 2013 with SharePoint 2013 are fairly simple. You just need to follow Microsoft Configure…

Exchange 2013 powershell errors out, and Exchange 2013 ECP doesn’t work correctly
After Exchange 2013 system is updated or after reboot ECP / OWA and other IIS pages appear blank. Also Powershell…

Exchange 2013 SP1 – The fully qualified domain name for node ‘DAG-EX2013’ could not be found.
During move of database to a different Exchange 2013 server an error is displayed: “The fully qualified domain name for…

Exchange 2013 Upgrade – Service ‘WMSVC’ failed to reach status ‘Running’ on this server
One of the quarterly tasks that every Exchange administrator should do is to install new Cumulative Update for their Exchange…

Exchange 2013 – Exchange Management Shell (EMS) loading very slow
As you grow more experienced with Exchange (2007 / 2010 / 2013 or 2016) you get to the point where you…

Exchange 2013 – Grant SendOnBehalf permission for Mailbox overwrites Existing permissions
Changing Send On Behalf setting in Exchange 2010 / Exchange 2013 or Exchange 2016 is quite simple task that can be easily…

Exchange 2013 – Health Mailbox has been corrupted
Health checking your Exchange Environment is important task for any administrator. Specially for that there are special Health Mailboxes cr…

Exchange 2013 – How to add Relay Connector from PowerShell
Adding new receiving connector is standard procedure available via GUI on Exchange 2010 / Exchange 2013 or Exchange 2016. However…

Exchange 2013 – TooManyMissingItems or TooManyBadItems
During Microsoft Exchange 2010 to Exchange 2013 Migration one of the steps is to migrated all mailboxes from old servers to new servers. Un…

Exchange 2016 – Microsoft has released RTM version of Exchange
Nearly 3 years after Exchange 2013 was released, new Exchange 2016 is out in the open in Ready To Manufacturing state (RTM). Microsoft Exch…