Exchange 2010/2013: Some entries in the offline address list were omitted by the OALGen. (ID 9327, 9323)

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The error (9327, 9323 Offline address list) is often found in the event log of the Exchange server that generates the offline address book: MSExchangeSA 9327 Some entries in the offline address list "\Global Address List" were omitted by OALGen. To determine which entries are affected, the event logging for the offline address generator must be set to at least "Medium". - \Default offline address book To determine ... Read more

Quick & Dirty: fast Exchange diagnostics in the event of an error

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If there is a problem with the Exchange servers, you should be able to quickly determine the cause in order to fix the problem. I have therefore written a small script which provides the following information when executed: Are the Exchange servers and domain controllers pinging OK? Are all Exchange services running? Are the databases ... Read more

Exchange 2010: Configure managed folders with retention policies

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There have already been a few questions on the subject of managed folders. Therefore, here is a short article on how to create managed folders and configure retention policies. In Exchange 2010 SP3, managed folders and their policies can be created with the Exchange Management Shell. The aim of this howto is to create a managed folder "Private Mails" ... Read more

Determine VSS snapshots on servers

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I have always had the problem that VSS snapshots on servers were not cleaned up. At some point, the hard disk would fill up because the operating systems had countless snapshots that were never cleaned up. I have therefore created a small script that determines the number of active snapshots and the date of the first and last snapshot. $serverlist ... Read more

Recommendation: VMware WebCommander

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In the VMware Labs there is a great project called WebCommander. WebCommander displays a small website via IIS and makes it possible to execute Powershell scripts. I've tested it and I think it's great. There are already a lot of example scripts and it can be easily extended. I ... Read more

The search for a Forefront TMG replacement (Part 1: KEMP Edge Security Pack)

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Forefront TMG has now been discontinued and a replacement will have to be found sooner or later. There are now several manufacturers who are filling the gap left by Forefront TMG. I will test some promising solutions and publish a howto for each of them. Finally, there will be an article comparing the solutions with each other. Read more

Exchange 2013: Configure Client Access Server via script

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I like it quick and easy, and since I often install test environments with new Exchange 2013 servers, I have created a small script that configures the external URLs of the CAS server. The script queries the ShortName of the CAS server, as well as the internal and external name. Then the virtual directories are configured accordingly. clear-host ... Read more

Exchange 2010/2013: Prevent members of a static distribution group from being listed

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This question has come up a lot, so here's a little post on the following question: How can I prevent users from seeing the members of a distribution group? The answer will come later, but first the problem. Users can click on the small plus sign in front of a distribution list in Outlook, Outlook then shows all members of the distribution list ... Read more

Exchange 2013: Making ActiveSync access more secure with on-board tools

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Accessing Exchange mailboxes via ActiveSync is now part of everyday life, but the risks associated with mobile access should not be ignored. Often users have not even protected their smartphone with a PIN, and if the smartphone is stolen or lost, anyone can read the business emails or do worse things. ... Read more

Exchange 2010: Incorrect index within a DAG (Event ID 123)

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This error occurs from time to time, but can be rectified quickly. So if you see this error in the event log, you can quickly repair the index with the commands below Event ID: 123 Source: ExchangeStoreDB Info: A corrupted search catalog has been used for the copy of the Microsoft Exchange information store database on this server. In this ... Read more