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11 changes: 3 additions & 8 deletions skype/skype-ps/skype/Enable-CsOnlineSipDomain.md
Original file line number Diff line number Diff line change
Expand Up @@ -36,8 +36,7 @@ If you have more than one on-premises deployment of Skype for Business Server, y
Once you have moved all users from on-premises into the cloud, you can decommission the on-premises Skype for Business deployment. Aside from removing any hardware, a critical step is to logically detach that on-premises deployment from Office 365. Detaching hybrid consists of 3 steps, which are detailed below:
- Disable shared sip address space in the O365 tenant.
- Disable the ability in the on-premises environment to communicate with O365
- Update DNS records to point to Office 365.
</br>
- Update DNS records to point to Office 365. </br>
These steps should be done together as a unit.

> [!NOTE]
Expand All @@ -48,16 +47,12 @@ The steps are:
1. Disable shared sip address space in the Office 365 tenant
\_sipfederationtls.\_tcpThe command below needs to be done from a Skype for Business Online PowerShell window.

`
PS C:\> Set-CsTenantFederationConfiguration -SharedSipAddressSpace $false
`
`PS C:\> Set-CsTenantFederationConfiguration -SharedSipAddressSpace $false`

2. Disable ability in on-premise to communicate with Office 365
The command below needs to be done from an on-premises PowerShell window. If you have previously imported an Office 365 session, start a new Skype for Business PowerShell session.

`
Get-CsHostingProvider|Set-CsHostingProvider -Enabled $false
`
`Get-CsHostingProvider|Set-CsHostingProvider -Enabled $false`

3. Update DNS to point to O365
The organization’s external DNS for the former on-premises deployment needs to be updated so that Skype for Business records point to Office 365 instead of Onprem. Specifically:
Expand Down