Category Archives: Fixes

Skype for Business Cloud Connector Edition (CCE) – Operation was unsuccessful (504 Server time-out)

Today I’m shedding light on the SIP 504 response status code while working with Skype for Business Online’s CloudPBX and Cloud Connector Edition (CCE). The “504 Server time-out” error is masked in the Skype for Business Client as “Operation was unsuccessful” during an outbound PSTN call. Understanding this error can actually become a handy tool… Read More »

Object reference not set to an instance of an object error while enabling CloudPBX

A couple weeks ago I came across a client issue enabling CloudPBX for Skype for Business Online users. The correct Set-CsUser command that would normally enable users, was bleeding red errors in PowerShell. The command is pretty straight forward and was successful the day before. An example command: Instead of enabling the specific user for… Read More »

Skype for Business Resource Forest: Issue with people I invite from my company still waiting in the lobby

I get the pleasure of working with a verity of Multi-Forest environments, today’s scenario is a hosted Skype for Business environment within a Resource Forest and leveraging Exchange Online. The design is similar to the documentation on TechNet for Configure a Multi-Forest Environment for Hybrid Skype for Business but without the Hybrid of Exchange or… Read More »

Hey Juniper stop messing with my Skype for Business Desktop Share

For me 2016 will be the year Juniper (specifically SRX) attacked Skype for Business desktop sharing. I figured it was time to document at least one of my battles. Let me first start this post with the fact that I am not a networking expert, but have become an expert at finding network problems and… Read More »

Cloud PBX Voicemail Language

Hopefully this blog post will help any others out there having an issue understanding what language is being used in the voice prompts and email transcriptions for Microsoft’s Office 365 Cloud PBX Voicemail (Azure Voicemail). Until last week the language used in Voicemail services for Office 365 Cloud PBX had to be configured at the… Read More »

Office 365 domain purpose changing without modifying domain settings

I’ve come across an interesting bug in the Admin Center Preview portal in-regards to the domain purpose changing without reason. This is further to my recent blog posting: http://realtimeuc.com/2016/06/federation-fails-with-o365/, which required disabling the Skype for Business domain purpose for domains using On-Premises or Third-Party hosted environments without hybrid configured to resolve federation issues. First you’ll… Read More »

Skype for Business Federation fails only with Office 365 domains

While working with a Third-Party hosted Skype for Business environment leveraging Exchange Online for Email/Voicemail, I came across an issue where federation worked except with sip domains hosted in Office 365. Looking at the client logs from both sides of the communication in snooper, you can see constant 504 Server time-out entries: Hosted client to… Read More »

Lync conference bridge is in another call

While testing a new conference bridge that was added to an existing Lync Server 2013 deployment, the Lync client would report the bridge number “is in another call”. Sifting through server side logs the call was bouncing around like a hot potato between the Front End and Edge servers. The Front End would try to… Read More »

Phantom Conference Bridge

While verifying a new conference bridge for a client, I came across a phantom conference bridge entry listed on the Lync Server Dial-in page but not on the Outlook meeting invites. Using Get-CsDialInConferencingAccessnumber cmdlet which lists information about all dial-in conferencing numbers configured in an organization and the region parameter to search for the specific… Read More »