Ashour's blog

A story from the field

Tip of the day: isMemberOf Transpot rule is not firing

This tip is for customers running dedicated exchange and MT, though it will probably raise in hybrid...

Author: A.Ashour Date: 05/31/2017

Bad relationship meaning no Free/Busy

TL;DR – if you have a bad personal relationship then you will lose free/busy :) I’ve recently worked...

Author: A.Ashour Date: 05/27/2017

Multi threading public folder report

Have you ever run 7 TB of data resident in public folders with over 400K folders? What if you want...

Author: A.Ashour Date: 05/05/2016

Tip of the day: Where are the delivery restriction settings for resource mailboxes ?

If you moved from exchange 2010 to 2013 SP1 you will notice that you are no more able to see the...

Author: A.Ashour Date: 05/05/2016

Tip of the Day: How to force the max message size for cloud users

  If you are running a hybrid setup and your company policy is forcing max message size of 10mb...

Author: A.Ashour Date: 08/28/2015

Tip of the Day: How to limit SMTP applications to send from a specific mailbox

  It’s easy to allow an smtp application to send emails through your exchange servers but it’s...

Author: A.Ashour Date: 08/28/2015

Fix duplication in default folders KB3031133 & KB3069501 & kb2991934

  In exchange 2013 prior to CU9, if you migrate your mailbox to exchange 2013 you might see...

Author: A.Ashour Date: 08/28/2015

The untold story of “Use serial migration to migrate public folders to Exchange 2013 from previous versions”

  Today I would like to share some secrets that you have to know when you try to migrate your...

Author: A.Ashour Date: 02/11/2015

Mail Enabled Public Folders In A Hybrid Deployment: A Sad Story

  The scenario that I will discuss today is not really a fancy one. The story began with...

Author: A.Ashour Date: 01/13/2015

Tip of The Day: SkyDrive SPF record

  In a nutshell, if you run hybrid deployment and your MX records are still poining to on...

Author: A.Ashour Date: 10/06/2014

Global Groups & Exchange What a challenge to convert

  Everything starts with the kiosks of managing exchange recipients from active directory on...

Author: A.Ashour Date: 10/06/2014

How to setup your most used templates in PowerShell_ISE

The success story for visual studio is the fact that you have tones of templates that saves your...

Author: A.Ashour Date: 07/19/2014

Tip Of The Day: Reset password Role Assignment is missing

Today I was trying to help one of my customers to grant the local support team the permission to...

Author: A.Ashour Date: 07/08/2014

Tip of The Day: System Attendant Mailbox and Exchange 2013

  I thought that system attendant is part of the past till today when I had a call with one...

Author: A.Ashour Date: 07/04/2014

How to force MFCMAPI to ignore the missing of the public folder database

Over years Microsoft announced that public folders won’t be more supported and will be...

Author: A.Ashour Date: 06/20/2014

Clear OWA and Outlook 2010/2013 Auto-Complete Cache

The Auto-Complete List is a feature which displays suggestions for names and email addresses as you...

Author: A.Ashour Date: 05/25/2014

Large Tenant and PowerShell I/O timeout

So did you ever run a large office365 Tenant with million of mailboxes and you wanted to run a...

Author: A.Ashour Date: 04/30/2014