Category: Exchange
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Exchange 2010 SP2 RU6 “can’t delete messages” KB released
Microsoft has released KB2822208 in response to the problems that users reported where they were unable to delete messages when working with Outlook in online mode. After a great deal of hard word to investigate the possible root causes, Microsoft has determined that the issues lie with attachments generated by third party…
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Exchange 2013: Using crimson events to track transaction log truncation within a DAG
Prior to Exchange 2007, transaction log truncation (removal) used to be a pretty simple affair. A successful good backup would truncate the log set or, if you used circular logging, Exchange used a small set of logs to capture transactions and would reuse the files once the transactions in the…
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SQL, OFS, Exchange file system, WinFS, and other murky dealings
Like many people who are interested in Microsoft Exchange, I have followed the ESE versus SQL debate with some interest for as long as it’s been going on, or just about the entire lifetime of the product. ESE stands for Extensible Storage Engine (also known as JET-Blue, the Joint Engine Technology) and is…
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Some side-effects of the Exchange 2013 cumulative update strategy
Now that we have had a chance to digest the ramifications of the new cumulative update strategy for Exchange 2013 as laid out by Microsoft, it’s a good time to speculate how things will work in a practical sense. Three points deserve some debate. The first is the cadence for…
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Can Windows servers consume untreated Internet traffic safely?
Last September, Microsoft dropped a bombshell when they announced that they were dropping development of the Threat Management Gateway (TMG) product along with their decision to cease production of on-premises ant-virus products. The problem for the Exchange community was that TMG had become the de facto choice as a reverse…
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Exchange Unwashed Digest February 2013
February was quite an interesting month, if you like tracking various bugs and arguing whether Exchange 2013 is fit for deployment. Here’s what happened in my “Exchange Unwashed” blog on WindowsITPro.com during the month: Exchange 2010 Datacenter switchover tool (February 26): It’s often difficult to decide on the best possible…
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“Can’t delete email” problem emerges for Exchange 2010 SP2 RU6 and Exchange 2010 SP3
Microsoft’s new cumulative update strategy for Exchange 2013 calls for updates to be shipped to customers every thirteen weeks. An expectation exists, at least on the part of Microsoft, that customers will then install the updates soon afterwards, if only to keep their systems in a supported state. Delivering updates…
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Why even bulletproofed Exchange ActiveSync is no guarantee of future iOS client happiness
A comment posted to my post wondering whether Apple’s release of iOS 6.1.2 would provide a long-term fix for the problem that causes excessive transaction log growth on Exchange servers (without introducing any new problems) asked a pertinent question: “Maybe Microsoft could fix their ActiveSync protocol so this doesn’t happen…
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iOS 6.1.2 appears – it might fix the bug that screws up Exchange
It looks like Apple has released iOS 6.1.2 in an attempt to fix the calendar synchronization problem that causes Exchange servers to log a vastly increased number of database transactions and results in more transaction logs being generated, log replication within Database Availability Groups (DAGs) and potentially service disruption if disks…
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iOS problems continue, good tip about VM deduplication, and the MVP Summit
Apple’s continuing struggle to make iOS work properly with Exchange was a prominent topic of discussion last night when some Exchange MVPs assembled for dinner. We’re in Redmond for the annual MVP Summit run by Microsoft and I was delighted to meet a number of people in person for the…
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