The user Accounts in Outlook and SfB do not match error when scheduling a Skype For Business Meeting from Outlook.

Even if there is many information about this error, recently I’ve faced a very interesting situation in an Exchange Hybrid + Skype For Business Environment in which the users were configured with a different Mail Address (SMTP), Skype Address (SIP) and User Principal Name (UPN). The issue: When trying to schedule a meeting on Outlook,… Read more

Skype for Business on Mac – Conversation History not working and other issues

Microsoft launched a few days ago Skype for Business on Mac, which can be downloaded here: https://www.microsoft.com/en-us/download/details.aspx?id=54108. The purpose of this article is to provide the best practices on configuring your environment to get the best experience with this client, these recommendations were provided by Microsoft Beta team. It’s important to understand that, to have… Read more

Skype4B – Your Outlook crashes when trying to organize Skype4B meeting – Click-to-Run x MSI

Are you aware about the different client versions of Skype for Business? We have 2 possible versions available in the market: Click-to-Run and MSI. Click-to-Run is the client version that is available through Office 365 Portal. This is the version that downloads Office using a streaming system and Skype for Business is part of Office. Even… Read more

Lync/Skype4B: How to Disable "Edit or Remove Picture" option.

Recently, we were contacted by a customer with an uncommon request: How to disable the button Edit or Remove Picture from the Lync/Skype4B Client? Most people want to know how to enable this option, which belongs to a feature called: High Resolution Photos only available through Exchange Web Services connectivity between Lync Server 2013/Skype for Business Server… Read more

Checks to do in the Lync/Skype for Business Server Certificate Store

The checks described in this article are the result of what we normally check during troubleshooting. Some of these already have specific error events, but the objective here is to try to avoid that these events occur. We plan to keep the post updated and add more checks that we identify as useful. Also, we… Read more

Request/Renewing Skype for Business Server 2015 Certificates

Here are the steps to request or renew certificates in Skype for Business Server 2015. Most of the steps are similar to Lync Server 2010/2013, so to start let’s go to the well-known Deployment Wizard Step 3 and click Run or Run Again (depending on if you are requesting for the first time or renewing the certificates). Now, in Certificate Wizard, we select the… Read more

Deploying SQL Server AlwaysOn Availability Group for Skype for Business Server 2015

In Lync Server 2013, there were requests regarding an alternative to SQL Mirroring for SQL Server High Availability. This was related to the fact that SQL Mirroring was marked as a feature to be removed in future SQL Server versions: This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work,… Read more

Disabling SSL 3.0 in Lync Server 2013 and Skype for Business Server 2015

If you recently tried to check on a certificate on DigiCert – SSL Certificate Checker (https://www.digicert.com/help/), you may have noticed the following warning:   DigiCert added this verification due to a vulnerability that was discovered a few days ago. For more information about this vulnerability, check the following articles: Vulnerability Summary for CVE-2014-3566 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-3566 This POODLE… Read more

Unable to resolve DNS SRV Record – 404 Not Found and 504 Server time-out

This issue might happen with Skype federation (PIC) or OCS/Lync federation. It’s a simple issue, but directly related to an incorrect configuration that we saw some customers doing. Don’t forget that Lync Server has ports requirement so that federation can work correctly. We can check these requirements on the following TechNet article: Port summary – Single consolidated edge with private… Read more