ABServer.exe –syncnow Script

I recently worked with a customer that has a rather large OCS deployment.  Five Edge servers, two Director servers and Seven Front End servers.  They mainly leverage OCS for its IM/Presence and Live Meeting features.  All users are remote so all logins are via the Edge servers.  There was a need to manually run the…

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LYNC Meeting Policy and Outlook Add-on behavior

You want to generate a new meeting ID as the default (authenticated meetings) and you run the LYNC Server Management cmdlet Set-CsMeetingConfiguration –DesignateAsPresenter None.  However, it appears you still have to choose the “customize” checkbox before it will default to a private meeting.  Without choosing customize it will still create a public meeting (using the…

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Default setting of supporting SIP REFER and using an unsupported gateway with LYNC 2010

I recently worked an issue where the default setting of “Enable refer support” caused a routing failure with an Enterprise Voice scenario.  The customer is configured with a direct SIP trunk from their ISP that’s pointed to their Lync Mediation role.  In this scenario, an inbound call from an external PSTN user hits the Exchange…

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Migrate custom Auto Attendant prompts to Exchange Unified Messaging 2010 SP1

Recently I had an occasion to use the MigrationUMCustomPrompt.ps1 script that ships with EUM 2010 SP1.  This script is tremendous as it requires no interaction or variables to be set.  It took less than 5 minutes to migrate over 70 custom UM prompts from EUM 2007 SP2 to EUM 2010 SP1.  This script is only…

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Migration and Co-existence with Exchange UM 2007 and Exchange UM 2010

There are four main parts when planning either a migration from EUM 2007 to EUM 2010 and/or having a co-existence in place.   Associate Exchange UM 2010 with existing/legacy Exchange UM 2007 Dial Plan Associate IP Gateway to Exchange UM 2010 Upgrade Dial Plan, IP Gateway, Mailbox Policies and Auto Attendants Move custom Auto Attendant…

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When we dial the subscriber access number we get a message "Sorry the person you are trying to reach does not have a valid mailbox on our system."

I recently worked an issue where the Dialogic DMG 1008 Media Gateway would send diversion to the Exchange UM 2010 SP1 server and the net result was when we dialed the subscriber access number, we were presented with a message of, "Sorry the person you are trying to reach does not have a valid mailbox…

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Exchange 2010 Unified Messaging SP1, UM rejects incoming call from gateway

In Exchange 2010 UM SP1 we have changed our platform to UCMA. We are now doing more checks on incoming SIP requests to make sure it is compliant and to avoid any undesirable effects. As a result, an invalid end quote will cause a request to be denied by UM. This is a by design…

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OCS 2007 R2 Enterprise and Brocade/Foundry Load Balancers

I worked a support case recently that involved an OCS 2007 R2 Enterprise deployment with two Front Ends and a two Edge array, load balanced by Brocade/Foundry Load Balancer. Example of the working configuration follows. Basically, the internal facing edge VIP cannot have keepalives.   The external facing edge VIP has to have keepalives extended (not…

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Live Meeting MSI (LMSETUP.msi / LMSETUP.exe) Install fails with "Turn Off Application Compatibility Engine" is set to Enabled on Windows 7 32bit

The Live Meeting Console installation will fail when the Local Security Policy and/or Group Policy Key, “Turn Off Application Compatibility Engine” is set to Enabled. When installing drivers in the 32bit version for Live Meeting Console (which is not the case in the 64bit version, and thus no MODI drivers on 64bit) we use the…

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