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During Step 2 of the Product Deployment Wizard I keep getting this error regarding launch conditions on DCOM layer.
Error 27693, Error 0x80004005 setting launch conditions on DCOM layer during action SetDCOMSecurityEx. --Event Viewer
Error returned while installing Server.msi. (Feature_Server, Feature HealthAgent) code 1603.
I have tried to change the permission in DCOM and still can't get passed this step.
I ended up fixing this in group policy to allow the group EVERYONE to make remote SAM calls. Once I finished the install I was able to use the default policy in Group Policy again. For some reason it would not allow the completion of step 2 until I did that.
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I am glad to hear you have resolved this issue.
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Just to be clear, this policy gets applied to your Domain Controllers in the domain that the skype servers are a member of and possibly trusted and child domains. Seems some administrators read that setting from other installs (ie. exchange, or sharepoint) as ensure administrators have that right, they set it in policy, which removed the default settings, in most cases covered Everyone or Authenticated Users. Setting an undefined group policy, (Undefined at any level) overwrites any defaults. That's what broke our install. That setting relates directly to the server.msi dcom error we had.
** **0x80004005 setting launch conditions on DCOM layer during action setdcomsecurityex ** Skype For Businiess 2019 when installing front end servers.
If you're in a STIG'd environment, using the EVERYONE security principal is bad, but Authenticated Users works just fine, which more closely covers the security requirements to not use the everyone security principal in any setting. If the SKYPE developers could actually publish the minimum requirements for this setting, it would be secured even more: SKYPE servers? Skype Service Accounts? Actual Users in the domain, and trusted domains?
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@Mac MacAnanny I just saw this because I am standing up for another air-gaped Skype install. Yes, we are STIG'd. I could not get authenticated users to work. I just put in Everyone, finish the install then change it back. installing software in an air gaped STIG'd network is becoming more and more of a pain in the butt. Thanks for the information though. I couldn't believe I searched up the same error and landed on this post I forgot I put in 2021. Lol.
Hi @Joshua Crisp ,
According to your error message, we firstly recommend you check if you have installed all the pre-req software in order to support the Skype for Business Front-end Server. The following command are just for your reference:
Add-WindowsFeature NET-Framework-Core, RSAT-ADDS, Windows-Identity-Foundation, Web-Static-Content, Web-Default-Doc, Web-Http-Errors, Web-Asp-Net, Web-Net-Ext, Web-ISAPI-Ext, Web-ISAPI-Filter, Web-Http-Logging, Web-Log-Libraries, Web-Request-Monitor, Web-Http-Tracing, Web-Basic-Auth, Web-Windows-Auth, Web-Client-Auth, Web-Filtering, Web-Stat-Compression, Web-Dyn-Compression, NET-WCF-HTTP-Activation45, Web-Asp-Net45, Web-Mgmt-Tools, Web-Scripting-Tools, Server-Media-Foundation
In addition, please make sure you have added the following groups in RTC Store Access Interface Class Properties: RTC Local Administrators, RTC Local User Administrators and RTC Server Local Group. For more details, you can refer to:
https://www.realtimeuc.com/2016/03/dcom-error-sfb-cscp/
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The RTC Store Access interface Class has not been created yet. It does not seem to get that far.
You can try to refer this blog to check if you have met the requirements before deploying Skype for Business Server.
Is there any update on this issue?