categories
Exchange
55 articles
20 articles
Exchange Server 2010 – Service Pack 3 Update Rollup 11 (SP3 RU11) Released
Exchange 2010 SP3 RU11 was an important release because it became the minimum version required for supported coexistence with Exchange 2016.
Exchange Server 2013 – Cumulative Update 10 (CU10) Released
Exchange 2013 CU10 was a significant update because it became the minimum Exchange 2013 version required for supported coexistence with Exc…
Get-AdPermission – The operation couldn’t be performed because object couldn’t be found
During our recent creation of Relay Receive Connector on Exchange 2013 we’ve encountered an error: The operation couldn’t be performed beca…
GFI MailEssentials 20 installation stuck on Administrators email address
During installation of GFI MailEssentials 20 installation doesn’t go pass entering an Administrator’s email. Pressing NEXT doesn’t do anyth…
GFI MailEssentials 20 – How to count licenses for users?
Recently one of our Clients bought 750 licenses for GFI MailEssentials 20. As GFI on their websites claims that only…
GFI MailEssentials – License counting explained
If you follow our Technical Hub you may have seen our earlier entry about counting GFI licenses. At that time…
GFI – How to move GFI MailEssentials 20 to different IIS website
GFI MailEssentials 20 make the installation straight forward pressing Next most of the times and answering basic questions about Microsoft…
GFI – How to stop backscatter spam using GFI Mail Essentials
Backscatter spam is relatively new problem in spam. Backscatter (also known as outscatter, misdirected bounces, blowback or collateral spam…
Microsoft Exchange 2013 CU11 Readiness Checks Error
During a Readiness Checks of Exchange Server 2013 CU 11 installation, just about 90% into Configuring Prerequisites an error is displayed.…
Microsoft Exchange 2013 – Room doesn’t respond to meeting requests
Our Client’s domain allow external companies to book room resources from their domain not based on Microsoft Exchange. They do…
Microsoft Exchange Approval Assistant – Your message couldn’t be delivered because delivery to this address is restricted to authenticated senders
While not being able to accept or deny messages in hybrid scenario was solved in earlier post, now that people could approve…
Microsoft Exchange – 420 4.2.0 Recipient deferred because there is no Mdb
Last few weeks I’m responsible for migrating from Office 365 to Office 365. Part of this migration process is to set up new Exchange 2016 s…
Microsoft Exchange – Connecting to remote server failed with the following error message
Connecting to Microsoft Exchange via PowerShell is a standard administrative tasks since Exchange 2007 was released. It’s available in all…
Microsoft Exchange – Meeting requests keeps updating not invited person
If meeting updates keep reaching someone who was never formally invited, the most likely cause is that their address became an attendee aft…
Microsoft Exchange – OU picker is empty when creating new user
If the Exchange ECP OU picker is blank when creating a new mailbox, you may have hit the built-in result limit and need to raise the ECP we…
Microsoft Exchange – Set address book policy based on group membership
You may remember our older post how to set address book policy based on group membership. After using this method above…
Microsoft Exchange – Set Address Book Policy to multiple users based on group membership
One of the common tasks of Exchange Administrator is to add Exchange Address Book Policy to a user. Depending on needs…
Microsoft Outlook – Cannot start Microsoft Outlook. Cannot open the Outlook window.
When working on Windows Server 2016 on RDS session one of the users reported he cannot start Outlook. He gets…
Monitoring BlackLists with PowerShell module
Blacklist checks are still a useful early-warning signal for mail flow issues, and this PowerShell module was built to automate those check…
No account settings were returned from the Autodiscover response – Microsoft Exchange 2016
If Outlook Autodiscover fails for a single mailbox while OWA still works, check whether MAPI has been disabled on that mailbox before you a…