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It took me nearly a week to find a solution for the following error message in exchange 2010 SP1 management console: The following error occurred when retrieving user information for ‘Domain\administrator’: The operation couldn’t be performed because object ‘S-1-5-21-…….’ couldn’t be found on ‘DC.domain.local’. It was running the command ‘Get-LogonUser’. I will start with little [...] Last night I was playing with my Exchange 14 virtual machines and thought of a disaster scenario and how to recover it if it happened in real world with one of my clients. So here it goes. Thanks to new Vbox 4 (http://www.virtualbox.org/) I was able to export and import fresh copy of my Windows [...] “DNS query failed” is the most common error I come across while troubleshooting mail flow for my clients. In this post I will publish all the troubleshooting I have perform to resolve the error. If Exchange server is on windows 2008, please make sure IPv6 is disabled in the network adapter settings. Make sure the [...] |
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