Symptoms
In Microsoft Skype for Business Server 2015, the Test-CsWebScheduler cmdlet can be used to verify that a user can use the Skype for Business Web scheduler to schedule an online meeting. In this manner, it will create a new meeting in the database every time and then clean up the scheduled meeting when the verification process is completed. However, it doesn't clean up the scheduled meeting after the verification ends.
This issue causes the synthetic transaction account to exhaust its limit of 1,000 scheduled meetings, and prevents other cmdlets such as Test-CsAVConference, Test-CsDataConference, and Test-CsASConference, from running successfully.
Resolution
To fix this issue, install the following updates:
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The July 2018 cumulative update 6.0.9319.534 for Skype for Business Server 2015, Web Components Server.
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The July 2018 cumulative update 6.0.9319.534 for Skype for Business Server 2015, Core Components.
