Sign in with Microsoft
Sign in or create an account.
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.


After you install February 2017 update for Skype for Business Server 2015 (build 6.0.9319.277), synthetic transactions don't work as expected. For example, when you run the Test-CsUcwaConference (UcwaConference) cmdlet, you receive the following error message:

Error Message: Failed creating application activity.

Inner Exception: Method not found:




To fix this issue, install the December 2017 cumulative update 6.0.9319.510 for Skype for Business Server 2015 and Unified Communications Managed API 5.0 Runtime.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!