Deploying Office 365 Desktop Updates

21st of December, 2011 / / No Comments

When migrating to Office 365 it is necessary to distribute updates to your client machines which will facilitate authentication with the Office 365 service along with adding features and support for the Office 365 services into the Office suite on your desktop.

There are a couple of ways these updates can be distributed to the client machines: –

Centralised Deployment

Many businesses will have an SOE and a managed environment in which the most effective method of distribution will be using a patch management system such as Microsoft System Centre Configuration Manager.… [Keep reading] “Deploying Office 365 Desktop Updates”

Lync 2010 Mobility – Do I need lyncdiscoverinternal?

12th of December, 2011 / / 14 Comments

Lync Server 2010 Mobility supports an internal and an external automatic discovery record. As described in this post, the mobile client signs-in by performing a DNS query for lyncdiscoverinternal.<your sip domain>. If this record is not present (does not resolve), the client attempts lyncdiscover.<your sip domain>. This design approach aligns to the Lync 2010 client software for Windows. First an attempt for the SRV record _sipinternaltls._tcp.<your sip domain>, followed by _sipinternal.tcp, followed by _sip._tls, then the A record fallbacks.… [Keep reading] “Lync 2010 Mobility – Do I need lyncdiscoverinternal?”

Lync 2010 Mobility Sign-in Internals

12th of December, 2011 / / 5 Comments

The best way to understand the internals of a product or service is to reverse engineer the process using logging and network captures. Capturing the process end-to-end helps paint a clear view as to what is going. Here is what happens when you sign-in on the Lync Mobile client for Windows Phone.

  1. Enter sign-in information and credentials into the Lync Mobile client. (hmmm, screen crack)

  2. Performs a standard DNS query for lyncdiscoverinternal.<sip domain namespace>.

    If the client is external, this DNS resolution will fail and the client will drop to the next discovery record

  3. Performs a standard DNS query for lyncdiscover.<sip
… [Keep reading] “Lync 2010 Mobility Sign-in Internals”

Lync 2010 Mobility Configuration Overview

12th of December, 2011 / / 3 Comments

Lync mobility requires the installation of cumulative update 4 across your Lync server infrastructure. To install CU4, visit here. Once CU4 is deployed, you’re ready to configure the mobility service. You can download the Mobility deployment guide here. A high level summary is:

  1. DNS: Create an External DNS CNAME.

    Create CNAME Lyncdiscover.<your sip domain> that resolves to your external web services.

  2. Configure Ports: Configure Ports for the Mobility Service

    Set-CsWebServer –Identity <name of pool> –McxSipPrimaryListeningPort 5086

    Set-CsWebServer –Identity <name of pool> –McxSipExternalListeningPort 5087

    Enable-CsTopology –verbose

  3. Install Components: Install the Mobility and Lync Automatic discovery services

    On each front-end and director run McsStandalone.msi

… [Keep reading] “Lync 2010 Mobility Configuration Overview”