1. Lync 2010 Mobile client unable to sign in

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    December 27, 2013 by UCSip

    I was recently contacted by a customer whom I’d deployed Lync 2010 for some time ago and they had decided …
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  2. Exchange 2010 EMC / Powershell WinRM error connecting

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    December 24, 2013 by UCSip

    Recently I had a customer go through a routine upgrade from Exchange 2010 SP2 RTM to Exchange 2010 SP3 that I performed, …
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  3. Transferring Calls from an Interactive Response Group to Exchange UM

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    March 8, 2013 by UCSip

    I was recently doing a Lync deployment for a customer and they had some very complex Auto Attendant requirements so …
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  4. Lync, Add additional SIP domains to an already deployed Environment

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    March 6, 2013 by UCSip

    I have been asked this question many times so I felt it was time to document it so others could …
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  5. TechEd 2012 Lync 2013 Sessions

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    February 13, 2013 by UCSip

    Lync 2013 Architecture Lync 2013 Deployment Lync 2013 Voice Improvements Lync 2013 Meeting Improvements Lync 2013 and Enterprise Networking Check out all the Sessions here: …
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  6. TechEd 2012 Exchange 2013 Sessions

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    February 13, 2013 by UCSip

    Exchange Server 2013 Deployment and Coexistence Exchange Server 2013 Architecture Deep Dive Exchange Server 2013 High Availability and Site Resilience …
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  7. Event ID 2158,2161 MSExchange ADAccess

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    January 15, 2013 by UCSip

    Description (MSExchange ADAccess 2158 Validation): Process Microsoft.Exchange.AddressBook.Service.exe. Recipient object CN=XXX,OU=XXX,OU=XX,OU=XX,OU=XX,DC=XXX,DC=XXX,DC=XXX read from <Domain Controller> failed validation. A partially valid object will …
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