Exchange Bulk Export / Import Mail Contacts
KB ID 0001349 Problem I had to do this today and realised, it’s been so long since I did it last, I’d forgotten how to do it. Before we go forward, please be clear, I’m talking about MAIL CONTACTS, these are Active Directory Objects that have an Email address, but DO NOT have a mailbox in your Exchange Organisation, and DO NOT have an Active Directory User. I point this out because you can have MAIL USERS that have...
Exchange – Slow Mailbox Migration?
KB ID 0001327 Problem I had a problem recently during an Exchange 2007 to 2013 migration, (client can’t support 2016 yet!) Where the mailbox migrations were taking ages. Solution 1. Disable Microsoft Replication Service Throttling On the ‘Target’ server > Open ‘regedit’ > Navigate to; HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\MSExchange ResourceHealth Locate the MRS REG_DWORD Value and...
Exchange AutoDiscover Errors – Creating an AutoDiscover SRV Record
KB ID 0001184 Problem Ages ago I wrote the following article; Outlook Error “The name of the security certificate is invalid or does not match the name of the site.” You used to see this error a lot if your internal, and external domain names were different, and the ‘public’ domain name was on the certificate, in those cases I’d also setup split DNS like so; Windows – Setting Up Split DNS But you can simply create a...
Mailbox Move Error ‘Active Directory property ’homeMDB‘ is not writeable’
KB ID 0001326 Problem I was migrating some mailboxes form Exchange 2007 to Exchange 2013 today, when once again this happened; Error: MigrationPermanentException: Active Directory property ’homeMDB’ is not writeable on recipient ’petenetlive.com/Migration/Users/Pete.Long’. –> Active Directory property ’homeMDB‘ is not writeable on recipient Solution I can’t believe there’s no fix for this yet! This is being caused...
Exchange 2013 / 2016 / 2019 Default Receive Connector Settings
Default Receive Connectors KB ID 0001314 Problem Out of the box, Exchange 2016 (&2013) has five receive connectors. Three for the frontend transport service and two for the mailbox transport service. Front End Transport Service: Does not alter, inspect, or queue mail. It is the first port of call for ALL mail coming into (and out of) the Exchange organisation. This service creates THREE receive connectors All are bound to 0.0.0.0...
Exchange 2016 / 2019 Adding a New Email Domain
KB ID 0001297 Problem On EE this morning someone asked this question and I realised I’ve never written it up. So If you want to add a new domain to an already working Exchange deployment how do you do it? Solution Firstly, you need to have purchased the new domain name, and have the DNS records setup properly for the new domain name. See the following article; Setting up the Correct DNS Records for your Web or Mail Server Add...
Users Cannot Access Public Folders Post Migration (Exchange 2016)
KB ID 0001295 Problem This post comes form my colleague Andrew Dorrian, he usually follows my migrating public folders article. Recently after a couple of Exchange 2016 migrations he has seen a problem where the public folders are visible in the Exchange Admin Console, but the users can’t access them. Solution Open ADSIedit.msc and connect to the ‘Configuration’ context. Navigate to; CN=Services > CN=Microsoft...
Outlook Web App :-( Something Went Wrong
KB ID 0001252 Problem I tried to get access to OWA on my Exchange 2016 server, and was greeted with this; 🙁 Something Went Wrong We’re having trouble getting to your mailbox right now.Please refresh the page or try again later Solution I’ve pointed it out on the image above, but it’s easy to miss, look at the time stamp on the error, and compare it to the correct time. The two are not the same. This is a known...
Exchange – Event ID 205 and Event ID 16025
KB ID 0001251 Problem At a client this week, they were having a LOT of mail flow problems. Looking at the queue viewer, I could see that all their mail was sat in queues waiting to go into their mails stores. There was a queue for each mail store, and the error on each was “451 4.4.0 DNS query failed Exchange Server error in message queue”. Looking in the Application log it was full of Event ID 205, and 16025 Errors...
Exchange – Test User Extest Isn’t Available
KB ID 0001230 Problem While troubleshooting some connectivity issues I used the Test-EcpConnectivity commandlet and got the following error; Test user ‘extest_bebc4142688e4’ isn’t accessible so this cmdlet wont be able to test Client Access Server connectivity Solution To enable the test user you need to run a script, and you will find it in the script directory in the Exchange setup media . Locate and run the...