IT Technical Blog (Formerly WeakestLync.com)
A customer was having problems with their Lync 2010 deployment federating with Office 365. When searching for a Lync Online user they would see “Presence Unknown” and be unable to send Instant Messages. They could Federate with other On-Prem Lync Continue reading Lync – Office 365 Federation Presence Unknown
I recently ran into a problem with Checkpoint Firewalls on a Lync 2010 deployment. The customer already had a single 2010 Front End and wished to enable external sign in over the internet as it did not work over their Continue reading Lync – Unable to sign in via Edge (Checkpoint Firewalls)
A common problem in the UK is that companies Active Directory telephone numbers will be populated in the format: +44 (0) 123 456 7891 or +44(0)1234567891 If you were to dial these numbers in the UK you would omit the +44 and Continue reading Lync – UK +44 (0) Company_Phone_Number_Normalization_Rules.txt
The scenario is a migration from Lync 2010 to Lync 2013 in a new Active Directory forest and want to migrate users buddy lists. You run DBIMPEXP.EXE on the Lync 2010 environment to export the user data to XML. On Continue reading Lync 2013 – Import-CsUserData Error
http://busylight.com/ I recently received a Busylight to test from Kuando. Inside the box you receive a Busylight USB device, a sticky pad to attach the device to your desk or screen and some brief instructions. The Busylight itself is constructed Continue reading Review: Kuando Busylight UC for Microsoft Lync
When you deploy Lync and assign internal certificates to your Lync servers (E.g. Front End, Internal Edge, SBA and Gateways) by default you will only have a 2 year certificate from the “Web Server” template. I like to create a Continue reading Lync – Increase Internal Certificate Validity Period
Lync 2013 introduced a new feature called Pool Pairing. Given the scenario below with 2 sites using Lync Standard Edition with paired pools, in the event that Front End 01 was to fail, or Site 1 failed completely all users Continue reading Lync 2013 – Standard Edition Pool Pair Failover Script
You need to restart all Lync services, open services.msc and see 10+ Lync Server services. Rather than go through each one hitting the stop or restart button with your mouse you can use PowerShell! Stop all Lync Services: Stop-CsWindowsService Start all Continue reading Lync Tip: Quickly restart all Lync services using PowerShell
So you need to calculate how much bandwidth Lync will use, you launch google and type “Lync bandwidth requirements”. You click the top link for Microsoft Downloads “Lync 2010 and 2013 Bandwidth Calculator” here http://windowspbx.blogspot.co.uk/2012/01/simple-smb-lync-bandwidth-calculator.html. You download the zip, open the excel Continue reading Lync Tip: Bandwidth Requirements Simple Calculator
Struggling with Telnet/Microsoft Port Query Tool to test the correct firewall ports are open between Lync servers? I almost started making my own tool/script but this guy has done the hard work for me! http://flinchbot.wordpress.com/2013/05/10/portqueryui-config-xml-file-for-lync/ Really useful. Chris HaywardTechnical Architect Continue reading Lync Tip: Port Query Tool