Interested in learning the fundamentals of troubleshooting common Unified Messaging call flow issues? We've just released a new white paper on troubleshooting Unified Messaging. In this white paper, we walk you through the flow of a simple call in UM Read More

You may find that recovery operations from online backup fail when the target of a restore is a Recovery Storage Group that exists on an External USB storage device. Most commonly External USB storage is implemented as a temporary measure due to lack Read More

EDIT 6/25/2009: We have updated the download package to remove the need for dependency on Visual C++ 2008 SP1 Redistributable package. The tool can be found in the same place as before, but the version has now changed to 14.00.0611.003. Just a quick Read More

Coming soon to a roll up near you is a set of changes to the way that Exchange Server handles x-headers and named properties, specifically named properties that represent x-headers. This represents a change in behavior that has been this way for nearly Read More

Have you ever installed an Exchange server and wanted to verify your Internet facing services were setup and configured properly? Things like Exchange ActiveSync, AutoDiscover, Outlook Anywhere (RPC/HTTP), and inbound email. Sure there are cmdlets included Read More

I wanted to bring to light a specific issue that may occur during mailbox moves in complex environments with multiple Active Directory Sites and multiple Exchange servers. There are several other settings which must be in place in order for this issue Read More

CSS often fields questions about troubleshooting Exchange 2007 Client Access Server (CAS) publishing rules using ISA Server 2006. The ForeFront TMG team blog has a great post: Troubleshooting OWA 2007 Publishing Rules on ISA Server 2006.  If you Read More

Our friends over at Mactopia.com announced the release of the 12.1.4 update. According to their site, this fixes an issue from the 12.1.3 and scheduling meetings when an Entourage identity is configured with more than one mail account. Check it out here: Read More

This is one of those subjects that keep coming up. A while ago, we had a post on how to troubleshoot error 0x8004010f when downloading an OAB in Outlook. Dave Goldman has been working on updating this guidance with latest tips and tricks and has, after Read More

Recently we have learned that some of our customers that use Recovery Storage Group and add multiple databases to it, ran into the following issue: Recovery configured through Database Recovery Management in Exchange Management Console has and issue with Read More

For a brief period of time on August 9, 2008, a pre-release version of Update Rollup 4 for Exchange Server 2007 Service Pack 1 (KB952580) was inadvertently made available to Microsoft Update, the Microsoft Update Catalog, and Windows Software Update Services Read More

We've recently encountered a small handful of customers who reported mailflow problems shortly after running Exchange 2007's /prepareAD, or after they installed their first Exchange 2007 role (which auto-launches the pre-requisite prepareAD process).  Read More

Just wanted to post a quick note that yesterday we have released a new Scalable Networking Pack (SNP) hotfix rollup package for Windows Server 2003. This is all in relation to a blog post on the subject that we have posted a while ago. Mike has posted Read More

There have been some blogs on VSS backups in the past. Over last few months, we have worked on several cases where troubleshooting VSS was required. Seeing that the documentation around how to troubleshoot this is somewhat lacking, we decided to put together Read More

Enterprise Communications Support (formerly known as Exchange Messaging Support) has recently seen an increase in support incidents around the -519 Jet_errLogSequenceEnd issue. In this blog I will explain this issue in detail, why it may occur, how to Read More