Add Email address or Domain to Exchange Spam whitelist Powershell
Having a Quarantine mailbox which an internal user can then manage can be really useful. Mainly because they know their business better and which type of emails they should be ; However there are times when legitimate emails from the same Sender or Domain keeps getting put in quarantine for…
Exchange Mailbox not updating, Disconnected / Quarantined
I found myself looking into a particular issue with a single mailbox, even through all other users were connecting as usual and updating, for this one user Outlook was coming up as disconnected. I tried recreating the Outlook profile which had the same result. I then tried Outlook Web Access…
Prevent Spoofing in Exchange 2010
Here’s a nice little one to tighten up Exchange and prevent those annoying Spoofing messages which can appear to come from your own domain name. By default the Receive connector allows anonymous connections which of course allows external domains to send you email. These also include your own Domain name.…
Exchange 2013 mailbox migration stuck syncing StalledDueToCI
So I’ve just completed an Exchange 2007 to Exchange 2013 mailbox migration and to be fair the majority of it went smoothly but it wasn’t without a few bumps along the way which I would like to share with you and what I did to get them resolved. First off,…
Exchange OWA Blank Page
Well what a fun weekend I’ve had! After a nice Journal Wrap error on two Domain Controllers, Active Directory and DNS got completely corrupted (or screwed up as the professional term goes). Anyway to cut a long story short, I managed to resolve the AD and DNS issues and got…
Mapi session exceeded the maximum of 500 objects
I got a call the other day saying that a particular mailbox was having some strange problems, disconnecting etc, however I knew that this was particularly large (25Gb) and is also shared. Jumping into good old ‘eventvwr’ I saw and saw this error dotted about: Error: MSExchangeIS EventID 9646: Mapi…
Exchange 2010 self signed certificate
How to Use a Self Signed Certificate in Exchange 2010It seems to be certificate month here at the moment. I’ve had to setup a self signed certificate for a company so they can connect via SSL to both Outlook Web Access and Exchange 2010 using Outlook (2007/2010)Something you should be…
Large IIS log files
Here’s a nice little tip to shrink or keep control of your IIS log files. While looking at a space issue on a server recently I noticed that their W3SVC3 (this might be different W3SVC1) log files were about 4-5Gb in size and contained thousands of log files. In order…
Set Exchange 2007 / 2010 Memory limit
I don’t know if you’ve noticed but Exchange 2007 and 2010 use as much memory as is available in your server, I’m not sure about you but I don’t like that. Microsoft “say” that it’s dynamic and that Exchange will share and give back memory to any service or program…
Unable to export to pfx
Normally a simple task of installing a certificate for IIS and Exchange 2010, however on this occasion once I’d imported the crt file into the Certificate mmc, I couldn’t then export it as a pfx certificate which Exchange 2010 requires for it to be ; As you can see all…
GFI MailEssentials Log limit
While configuring GFI Mail Essentials for a client I soon realised that there is a 40,000 email limit in the historical logs. While I’m sure this has been set for performance reasons I happen to be using a beast of a server and so looked into increasing this. The main…
Add domain to Whitelist in Exchange 2010
This really is something Microsoft missed a trick on, I mean how could they leave a simple whitelist out of the GUI, for shame. That being said I’m going to show you how to do it, they could have made it a lot easier though! First open up the Exchange…
Exchange 2003 to 2010 Routing Group Connector
While doing a migration from Exchange 2003 to 2010 there comes a point where they need to co-exist and route mails between each other. At some point during the Exchange 2010 installation there was an error, sorry I don’t have it to hand unfortunately but basically the connector between the…
Exchange 2010 – lowercase email address policy
A client recently asked me to change their address policy so they all showed as lowercase. First you'll need to create new email address policy from the Exchange Management Console - organisation Configuration - Hub transport, click on the E-mail address Policies tab on the right. Right click on the…
Update Exchange 2003 Default Address policy to Exchange 2010
Simple little Exchange Management Shell command to update the "Default policy" to be upgraded to Exchange 2010: Open Exchange Management Shell and type: Set-EmailAddressPolicy “Default Policy” -IncludedRecipients AllRecipients This will ask you to comfirm, type Y and hit enter. Job Done, hope this helps.
Export all Email addresses to CSV file – Exchange 2010
Useful script to export all the Primary email addresses and aliases to a simple CSV file which can be read easily. This outputs the file to c:\ for example but can be changed. Get-Mailbox -ResultSize Unlimited |Select-Object DisplayName,ServerName,PrimarySmtpAddress, |Where-Object {$ -ceq “smtp”} | ForEach-Object {$}}} | Export-CSV c:\ -NoTypeInformation Hope…