Lync 2013 to Skype for Business DCOM Error migrating users

I was doing a Lync Server 2013 to Skype for Business migration, where I setup the new Skype for Business server in parallel with the Lync Server 2013 server so that there was little to no downtime. Once the Skype for Business server I migrated a test user from Lync Server to 2013 to Skype […]

An unauthorized delegate operation was attempted

I enabled the use of Sefautil using the instructions located here. I wanted to add myself as a delegate for another user to allow users to send Lync/Skype for Business Meetings calendar invites on behalf of another user. I ran this command: .\Sefautil.exe /Server:LyncFe01.domain.com sip:John.Smith@domain.com /adddelegate:Habib.Mankal@domain.com everytime i ran the above command it would not […]

KB3080353 Breaks Dialin page and Distribution Groups

Recently had some servers auto patch themselves however the servers were not at the CU level they needed to be at for the Patch to work. KB3080353 was the Lync 2013 update that was installed.¬†https://www.microsoft.com/en-us/download/details.aspx?id=48875 We received error that the https://dialin.domain.com web page was giving the¬†error:       Distribution Groups that were added into […]

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