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…
Diagnostic Logging Exchange 2013
Thanks Microsoft for removing the useful Diagnostic logging from the Exchange Management Console once in Exchange 2010. So now you need to increase the diagnostic levels through Powershell, which is fine if you know the commands and what you actually want to increase the levels of, again some (quite a…
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,…
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…
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…