Skype for Business – Director Pool in DMZ (Secure Environment)

I was recently working for a customer where their security policy prohibited traffic from the internet terminating on servers within the LAN. Skype for Business (Including previous versions Lync and OCS) uses a Reverse Proxy to terminate web requests within the DMZ Continue reading Skype for Business – Director Pool in DMZ (Secure Environment)

Skype for Business 2015 – Enable User “Active Directory operation failed”

When enabling users for Skype for Business you may encounter the following error: “Active Directory operation failed on “Domain Controller”.  You cannot retry this operation: “Insufficient access rights to perform the operation” I first blogged about this in 2011 for Continue reading Skype for Business 2015 – Enable User “Active Directory operation failed”

Skype for Business – Failed to execute a stored procedure on the back-end

I recently ran an “In-Place” upgrade from Lync 2013 to Skype for Business 2015 on a 3 node Enterprise Front End pool.  After the upgrade all 3 Front Ends were logging the following error every 10-15 minutes.

I gathered Continue reading Skype for Business – Failed to execute a stored procedure on the back-end

Skype for Business (Lync) – Easiest way to add trusted root certificate authorities to Edge

Ok here is a little tip when trying to add trusted root certificate authorities to Skype for Business 2015 and Lync 2010/2013 Edge servers. Microsoft have a list of Unified Communications Certificate Providers detailed here: https://support.microsoft.com/en-us/kb/929395 Windows now automatically downloads Trusted Root certificates Continue reading Skype for Business (Lync) – Easiest way to add trusted root certificate authorities to Edge

Lync – Unable to sign in via Edge (Checkpoint Firewalls)

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)

Lync – UK +44 (0) Company_Phone_Number_Normalization_Rules.txt

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

Review: Kuando Busylight UC for Microsoft Lync

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