Skype for Business Server 2019 Install Fails

asked 2021-11-17T16:25:27.41+00:00
Andryszak, Daniel 116 Reputation points

I am attempting to install a Skype for Business Server 2019 to perform a side-by-side migration from SFB 2015.
When I run the Deployment Wizard - Deploy - Active Directory preparation, the install fails on Step 3 - prepare current forest.

I receive the following errors in the log

TaskFailed: Task execution failed. 11/17/2021 11:21:11 AM Error
Error: The type of group "RTCUniversalGlobalWriteGroup" is different from required group type.
Details
Type: DeploymentException
Stack Trace
at Microsoft.Rtc.Management.Deployment.LcForest.VerifyAccountObject(ADGroup group, DOMAIN_ACCTPREP_INFO groupInfo)
at Microsoft.Rtc.Management.Deployment.LcForest.DomainPrepCreateAccounts(DOMAIN_ACCTPREP_INFO[] groupsInfo)
at Microsoft.Rtc.Management.Deployment.LcForest.ProcessLcsGroups(LcAction eAction)
at Microsoft.Rtc.Management.Deployment.LcForest.PrepareForest()

TaskFailed: Task execution failed. 11/17/2021 11:21:11 AM Error
Error: The type of group "RTCUniversalGlobalWriteGroup" is different from required group type.
Type: DeploymentException
Stack Trace
at Microsoft.Rtc.Management.Deployment.LcForest.VerifyAccountObject(ADGroup group, DOMAIN_ACCTPREP_INFO groupInfo)
at Microsoft.Rtc.Management.Deployment.LcForest.DomainPrepCreateAccounts(DOMAIN_ACCTPREP_INFO[] groupsInfo)
at Microsoft.Rtc.Management.Deployment.LcForest.ProcessLcsGroups(LcAction eAction)
at Microsoft.Rtc.Management.Deployment.LcForest.PrepareForest()
at Microsoft.Rtc.Management.Deployment.Tasks.ForestPrepareTask.Action()

Any idea why this may be happening?

Skype for Business
Skype for Business
A Microsoft communications service that provides communications capabilities across presence, instant messaging, audio/video calling, and an online meeting experience that includes audio, video, and web conferencing.
423 questions
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Accepted answer
  1. answered 2021-11-19T18:46:16.847+00:00
    Andryszak, Daniel 116 Reputation points

    The RTC and CS groups are listed as Global group. I changed them to Universal groups and the install completed as expected.

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