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Hornet's Nest A few of Mike Hoerner's Favorite Topics
Several Outlook 2010 users with Exchange 2010 mailboxes reported the following issues. When creating a new message and adding a Universal distribution list to the To: field, they attempt to expand the membership of the DL and they get an “Cannot perform the requested operation. The command selected is not valid for the recipient. The connection to Microsoft ......

Recently, my Active Directory user account was getting locked out on a regular basis after changing my user account password. In our environment, the most two common causes for Active Directory user account lockouts are disconnected RDP sessions or an invalid password on a mobile device configured for Exchange ActiveSync access. I used the LockoutStatus.exe ......

Recently, several enabled Remote call control (RCC) users reported that they were having issues making phone calls from Communicator. When they attempted to call a number, they got a “Cannot locate <user>” error message and when they clicked on Retry, they got another error message, “There may be an error in the address. Check the address and ......

When we originally deployed OCS 2007 R2 in our environment, we only built one OCS 2007 R2 Access Edge Server. So, recently, we built three more OCS 2007 R2 Access Edge Servers for high availability and additional capacity purposes. To load-balance all of our Access Edge Servers, we use a hardware load-balancer. Please note a load balancer is required ......

After you install and configure Microsoft Forefront Protection 2010 for Exchange on your Exchange 2010 Hub Transport Servers, you can use the Exchange PowerShell Send-MailMessage cmdlet to test your Forefront configuration on one or more Hub Transport Servers without having to stop the Microsoft Exchange Transport service. Also, you can use the PowerShell ......

When we started our Exchange 2010 deployment, we ran into an issue with not being able to modify distribution lists. I documented how to fix this issue in a previous post. Not too long ago, we started getting a few reports from users with Exchange 2010 mailboxes that they could not modify their distribution lists and the error message they were getting ......

If you provide external access to Microsoft Office 2007 R2 Communicator Web Access Server for your users, you need to make sure your users are enabled for remote user access. If your users are not enabled for remote user access and they attempt to access OCS 2007 R2 externally, they will get an “Cannot sign in because your user account does not permit ......

We noticed some very odd, random behavior in our environment specifically with Exchange 2010 ActiveSync and Outlook Web App. Some of our mobile devices had trouble synchronizing email (problems with connecting, direct push wasn’t working properly). Some of our users had trouble connecting to Outlook Web App. Some of our users using Outlook Web App externally ......

Several users reported that they could not turn on or off their Out of Office reply using either Microsoft Outlook 2007 or 2010. They did not have any problems turning on or off their OOF reply using Microsoft Outlook Web App. When they attempted to turn on or off their Out of Office reply, they received a Your automatic reply settings cannot be displayed ......

We are currently building additional OCS 2007 R2 Access Edge Servers to handle additional capacity. We ran into a SSL certificate issue when we were setting up the servers. Before running the steps to Deploy an Edge Server, we successfully imported our SSL certificate that we use for external access on all of the new servers. After successfully completing ......

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