Mail Enabled Public Folders Fail to receive email and produce Bounce / NDR after migrating from Exchange 2003 to Exchange 2010

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Issue: None of your mail enabled public folders are accepting mail after migrating from Exchange 2003 to Exchange 2007 or Exchange 2010.  The public folders still show as being mail enabled, and each folders permissions still shows the Anonymous group as at least having "Contributor" rights. Delivery has failed to these recipients or groups: PUBFOLDERNAME (PUBFOLDER@contoso.com) There's a problem with the recipient's mailbox. Please try resending the message. If the problem continues, please Read more [...]

Ironport Cluster Setup and Configuration

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Ironport clustering allows one to configure a single IronPort and automatically replicate the configuration in realtime to the remaining IronPort's.  In terms of IronPort fail-over, in absence of a load balancer, one should review their internet DNS MX records, setting the MX to a lower preference value for the primary ironport and additional MX records with higher preference values for secondary IronPorts. Setting up clustering: Whichever Ironport has the cluster created on it becomes the Read more [...]

Setup Barracuda Open LDAP to Lotus Notes/Domino

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I recently worked on a Barracuda / Lotus environment.  Below is what you need to know to get Barracuda LDAP authentication going against the Lotus environment: Lotus Domino receiving messages for one domain: LDAP username: username@domain.com LDAP filter: (|(mail=${recipient_email})(cn=${recipient_local_part})(shortname=${recipient_local_part})(fullname=${recipient_local_part})) Lotus Domino receiving messages for two domains: If your Lotus Domino server receives messages for two domains, Read more [...]

Move Mailbox Failing: Insufficient access rights to perform the operation (INSUFF_ACCESS_RIGHTS)

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The following is a common issue when moving mailboxes (New-MoveRequest) from Exchange 2003 to Exchange 2007/2010.  This issue is caused by the end users AD account / mailbox missing certain permissions which allow the administrator account and system to modify and move the mailbox.  This issue is scarcely documented, but can be easily corrected by forcing the AD account to inherit permissions.  Many migration issues are caused by permissions issues resulting from the 'inherit permissions' checkbox Read more [...]

Exchange 2010 Rollup taking forever: “Setup Wizard is generating native images for .NET assemblies”

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Have you noticed the .NET assemblies portion of an Exchange Rollup installation takes a very long time?  This is due to a check against the certificate revocation list for each .NET assembly that is compiled.  This wait time is even more extreme in the case of servers without internet access as each revocation list check must time out before it moves on to the next. I discovered a fix which helps significantly:  Temporarily, turning off the certificate revocation list check before running Read more [...]