Microsoft updates WAC/OOS pre-req’s

Getting a new Office Web Apps or Office Online Server to report “Healthy” is no mean feat, and you’ll find no shortage of blog posts with advice in that direction. Hence it was with great interest that I noticed Microsoft has recently updated the pre-req’s. (OK, it was either back in May or only last …

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WAC/OOS error: Could not read settings

I was struggling with an Office Online Server recently that didn’t want to talk to me. I was able to create the OfficeWebAppsFarm OK, but then couldn’t query it (as I wanted to check its health): PS C:\> Get-OfficeWebAppsFarm Get-OfficeWebAppsFarm : Could not read settings from WEBAPPS. The destination is unreachable. The fix was a …

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LS Audio/Video Authentication service could not be started

I returned from holidays recently to find my Skype for Business client reporting the familiar “Limited External Calling” error. A quick RDP to my Lab’s Edge server revealed stopped services and this error in the Event Log: Event Properties – Event 19005, LS Audio/Video Authentication Server LS Audio/Video Authentication service could not be started. Exception: …

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SfB 2015 Server Update CU6 – December 2017

Our December 2017 update – the first in 7 months – leaps the server from 6.0.9319.281 to 6.0.9319.510. It updates 7 components on my Standard Edition Front-End. What’s Fixed? This update enables Location-Based Routing to support the Skype for Business mobile clients. It also fixes the following issues: Kb4043636 Skype for Business on Mac can’t …

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Calls to SfB RGS drop instantly – FE logs event 31140

If you’ve ever created a Lync or Skype for Business Response Group Workflow using PowerShell you really appreciate how quick and easy it is to do from the Response Group browser interface, the “Response Group Configuration Tool”. Unfortunately sometimes the PowerShell path is unavoidable: if you have more than 4 options in an IVR menu, …

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VVX can’t call SfB Unassigned Numbers

As any half-decent taxidermist will tell you, there’s more than one way to skin a cat. And so it is with Skype for Business. The clever bit is determining the best method to use when faced with a given challenge. Occasionally you’ll encounter a complicated job-sharing or multiple-hop call distribution scenario that doesn’t fit the …

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ClsLogger.EXE Crashes with Unhandled Exception

TLDR: I think it’s broken – or as James Arber implied on Twitter, it might have made it out the gate prematurely. My suggestion: Do not install this version! Out of the blue recently Microsoft updated the Skype for Business 2015 Debugging Tools version from 6.0.9319.73 to the interestingly-named (well, numbered) 7.0.1678.1.1. Before you can …

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SfB 2015 Server Update CU5 – May 2017

This May 2017 update takes the server from 6.0.9319.277 to 6.0.9319.281 & updates 8 components on my Standard Edition Front-End. What’s Fixed? Kb4020997 Skype for Business Server 2015 Front-End service may crash in Windows Server 2016 Kb4020994 Event ID 36023 is consistently logged on Multiple Front-End servers in a Skype for Business Server 2015 environment …

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