An user had “Send-As” permission on a shared mailbox. But user couldn’t send e-mail as “shared mailbox”.  User is doing it correctly (add the shared mailbox name in From field). But user gets this bounced message: You can't send a message on behalf of this user unless you have permission to do so. Please make … Continue reading Exchange 2010: “You can’t send a message on behalf of this user unless you have permission to do so” →

Application owner complained about emails with winmail.dat attachment that sent to an application server using Exchange server. They don’t want to receive this attachment to the application that causing issues. Well, we, Exchange Admins, know that frigging Outlook RTF messages sends this winmail.dat attachment. After all goodness of HTML formatted message, some users still loves … Continue reading Exchange 2010: winmail.dat attachment to internal applications →

I couldn’t create a bootable USB disk to deploy an OS for some reason. As usual Microsoft error is useless, it doesn’t actually tells nothing about the actual issue. All I get was “Failed to create media” and reading logs doesn’t lead to anywhere. Strangely these two things worked the magic. 1. Disabled Antivirus (frigging … Continue reading SCCM: creating bootable USB disk for OS Deployment and ends with “Failed to create media (0x80070057)” →

Is invisible delegate driving you nuts? Users will get a bounced message from Exchange Server for a mysterious delegate, like one below. Subject: Undeliverable: <Subject Text>   Delivery has failed to these recipients or groups:   Jane Doe The e-mail address you entered couldn't be found. Check the address and try resending the message. If … Continue reading Bounced Meeting Request with “550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found” →

When I enabled web based OAB distribution, Clients aren’t downloading the Offline Address Book at all. In fact Outlook OAB sync was hanging in half way for long time. In Outlook, Sync Issues folder has this error message logged. 9:07:52 Error synchronizing folder 9:07:52                  [80040115-514-469-0] 9:07:52                  Network problems are preventing connection to Microsoft Exchange. 9:07:52                  … Continue reading 0X80040113 – Microsoft Exchange offline address book →

Get-MailboxDatabase cmdlet comes in handy to check all mailbox database size quickly. Help for this cmdlet is available here: http://technet.microsoft.com/en-us/library/bb124924.aspx Here is the command and run it in Exchange Management Shell. Get-MailboxDatabase -Status | select ServerName,Name,DatabaseSize I am trying to write a script to gather database size every week and save it in one CSV … Continue reading Exchange 2010: List Database Size in Exchange Management Shell →

If you getting the following frigging dialog box during activating a Database Copy or switching over the DAG server, no worries. There is a simple solution. To verify the content index catalog files are really failed or not, run the following command in Exchange 2010 Management Shell.  Note: the server name would be mailbox server … Continue reading Exchange 2010: Unable to mount or switch over the database – Solution is here →

On Exchange 2010 organization, Is a user complained he or she can’t add/remove an member to the group they own? Are they getting this error message: “Change to the public group membership cannot be saved. You do not have sufficient permission to perform this operation on this object.” You double checked the group ownership permission … Continue reading Exchange 2010: Group Owner doesn’t have owner permissions →

Help desk guys brought me a problem with newly created mailboxes. They claimed new mailboxes were shown as “Legacy Mailbox” in Exchange Management Console. What would be implications? Found an answer really quickly on first page of Bing search. This MSKB 931747 says This issue may occur if the following conditions are true: The mailbox … Continue reading Legacy Mailbox in Exchange 2010, Solvable Mystery. →

After I moved my mailbox to Exchange 2010, I started seeing two kinds of Sync logs in “Sync Issues” folder: “Synchronization Log:”  and “Modification Resolution”. Whenever I delete something and empty my “Deleted Items” folder, I see a sync log in a minute. It says, 22:45:33 Uploading to server 'CAS1.company.com' 22:45:33 Synchronization of some deletions … Continue reading Outlook 2010 Sync Issues Folder is full of sync logs (“Synchronization Log:” and “Modification Resolution”) with Exchange 2010 Mailbox →