How to add additional servers to Exchange 2010 Routing Group Connector

Leave a reply
Issue: You need to add additional Exchange 2010 Servers to the Routing Group Connector used for co-existence with Exchange 2003. Background: Routing Group Connectors are used to allow mail-flow between Exchange 2003 and Exchange 2010 When you are running a co-existence. The Routing Group Connector that is created by default during installation of Exchange 2010 will only add one Exchange 2010 server as a bridgehead.  If you have multiple Exchange 2010 servers with the Hub Transport role then Read more [...]

“The target principal name is incorrect” | DC Stops Replicating Pt. 3

1 Reply
This article is the final installment of our three part series.  We will be continuing from our previous article: "[WARNING] Failed to query SPN registration on DC" | Domain Controller Stops Replicating Pt. 2.  Our previous efforts have brought us even closer to resolving the replication issues on our Los Angeles Domain Controller, however more work awaits us in this AD Replication saga. We will now continue and troubleshoot the error: "The target principal name is incorrect" which is detected Read more [...]

Mailbox GUID of external system mailbox does not match the information in Active Directory for the mailbox

Leave a reply
Cause: This error is caused by duplicate System Mailbox entries in Active directory. Complete Event Error Message: Event ID: 7043 Task Category: IS/AD Interactions Level Description: The mailbox GUID of an external system mailbox ('Mailbox - SystemMailbox{5795ed94-6402-4198-a675-522cd342b1a2}') does not match the information in the Active Directory for the mailbox. The existing GUID ('7403d94d-1a74-4a9b-b6b0-34db1b921328: /o=ABC/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=SystemMailbox{5795ed94-6402-4198-a675-522cd342b1a2}') Read more [...]

Transport Bug in Exch 2010 SP3 RU1 on Win 2012 – #550 4.4.7 QUEUE.Expired

Leave a reply
Issue: Some users are receiving bounce messages when they send to external recipients: The server has tried to deliver this message, without success, and has stopped trying. Please try sending this message again. If the problem continues, contact your helpdesk. #550 4.4.7 QUEUE.Expired; message expired ## Further investigation: Review the Queues under Tools in Exchange Management Console. You find some messages are stuck in the queues on your Exchange 2010 server, and the error reads: "A storage Read more [...]

Export list of all Exchange email addresses and aliases

10 Replies
Issue: You need to get a list of all the email addresses (aliases) in your Exchange environment. Method 1: Export list of all email addresses to a .CSV file using Exchange Management Shell (EMS): Get-Mailbox -ResultSize Unlimited -OrganizationalUnit "OU=Phoenix Users,OU=Phoenix,DC=CONTOSO,DC=COM" |Select-Object DisplayName,PrimarySmtpAddress, @{Name=“EmailAddresses”;Expression={$_.EmailAddresses |Where-Object {$_.PrefixString -ceq “smtp”} | ForEach-Object {$_.SmtpAddress}}} | Export-CSV Read more [...]