Author Archives: Russ Kaufmann

Firewall Testing for Lync Server

Posted on April 25, 2013

I had a recent fun time arguing with the firewall guys that they were not properly opening the ports that I had requested and that I really needed it done right. Finally, I decided that I just needed to do … Continue reading →

Posted in Lync | 2 Comments

Video Device Missing from Lync 2010 Options

Posted on April 23, 2013

This was an interesting scenario. Users have had audio/video in Office Communications Server 2007 R2. 1. Moved user from OCS 2007 R2 pool to a Lync 2010 pool. If they continued to use Communicator 2007 R2, their audio and video … Continue reading →

Posted in Lync | 1 Comment

Identify Group Chat Users

Posted on November 2, 2012

It can be a pain to identify which users have been enabled for Group Chat rooms as there is no attribute in Active Directory that relates to Group Chat. Now, I suppose you could just go and visit each room … Continue reading →

Posted in Office Communications Server | Leave a comment

Identifying Bad/Corrupt Calendar Items

Posted on October 20, 2012

I have been seeing more and more issues with bad calendar items causing out of control mailbox database and transaction log growth. What I seen as a good process for attacking these issues is to use the following: Exchange User … Continue reading →

Posted in Exchange | 2 Comments

Insufficient Access Rights to Perform the Operation – Lync Server 2010

Posted on September 17, 2012

Actually, I have seen this issue with both Exchange Server 2010 and trying to mailbox enable a user account and in Lync Server 2010 and trying to enable a user for Lync. In both cases, the error says you don’t … Continue reading →

Posted in Exchange, Lync | Leave a comment

Error with your new mobile phone partnership–Exchange Server 2010

Posted on August 16, 2012

This was definitely a first for me. Hmmm, who knew that ten phones was too many? From: Microsoft Outlook Sent: Thursday, August 16, 2012 4:28 PM To: Kaufmann, Russ Subject: Error with your new mobile phone partnership Importance: High You … Continue reading →

Posted in Exchange | Leave a comment

Group Chat File Transfer Error

Posted on August 3, 2012

This is another situation impacted by certificates, and is often seen after the certificate has been changed or replaced on a Group Chat server because it expired or is about to expire. Basically, when somebody tries to send a file, … Continue reading →

Posted in Lync, Office Communications Server | Leave a comment

Updating Office Communications Server 2007 Certificates–Alternate Method

Posted on July 30, 2012

There are several nice blogs out there on renewing certificates and even replacing certificates. In my most recent case, I had to replace certificates using another method because the issuing CA was being retired and a new issuing CA was … Continue reading →

Posted in Office Communications Server | Leave a comment

Identifying Large Calendar Items for Multiple Users

Posted on July 18, 2012

Another interesting and fun scenario. In my last post, I discussed using PowerShell to find large calendar items. Well, it didn’t go as well as I thought. I was trying to identify the largest calendar item for users. The idea … Continue reading →

Posted in Exchange | 4 Comments

Identifying Large Calendar Items

Posted on July 14, 2012

I have been seeing some scary behavior lately. The environment is Exchange Server 2010 SP1 RU5. Basically, what is happening is that a calendar item is updated too often (against Microsoft’s clear Best Practices) and becomes corrupt. The corrupt calendar … Continue reading →

Posted in Exchange | Leave a comment