categories
Exchange
55 entries
20 entries

Exchange Server 2010 – Service Pack 3 Update Rollup 11 (SP3 RU11) Released
On September 15th Microsoft has released **Exchange Server 2010 Service Pack 3 Update Rollup 11 (SP3 RU11)**. Rollup Update 11 contains the…

Exchange Server 2013 – Cumulative Update 10 (CU10) Released
On September 15th Microsoft has released **Exchange Server 2013 CU10**. Cumulative Update 10 contains the latest set of fixes and builds up…

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
One of our clients received an recurring meeting request in Outlook 2010 via Microsoft Exchange 2007, which he then auto forwarded thru…

Microsoft Exchange – OU picker is empty when creating new user
We’ve migrated one of our Clients fairly early but recently we got complain that when new user is created from…

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
I’ve been Exchange Administrator for a longer part of my IT life. As any mail admin (not just Microsoft Exchange) will…

No account settings were returned from the Autodiscover response – Microsoft Exchange 2016
Recently one of our users reported that after name change she can’t login to Outlook anymore. She can only work…