Here’s a quick summary of the Admin Center URLs of each of these Dynamics 365 / Power Platform Admin Centers –

All Admin Centers under M365 Admin Centers

Here’s the link to all Admin Center under your O365 tenant based on your subscription and your Role in the tenant – https://admin.microsoft.com/Adminportal/Home?source=applauncher#/alladmincenters

Power Apps / Power Automate / Power Platform Admin Center (PPAC) / Dynamics 365

Here’s how you can access the Power Platform Admin Center

1. http://admin.powerplatform.com/ – It will redirect to –
   https://admin.powerplatform.microsoft.com/
   
   From here, you can access the D365 Environments
   
   

Power BI Admin Portal

Here’s the URL for the Power BI Admin Portal – https://app.powerbi.com/admin-portal

It’ll open up the Admin Portal which looks like this

SharePoint Admin Center

Here’s how you can check the link of the Admin Center for SharePoint – https://cft158-admin.sharepoint.com/

So basically, https://[domain]-admin.sharepoint.com/

Here, domain is the one that you created while creating the tenant. Example: you didn’t add a custom domain and your domain then look like this in your username admin@[cft158].onmicrosoft.com

And it will look like this –

Teams Admin Center

Here’s a link to the Teams Admin Center and it’ll look like below- https://admin.teams.microsoft.com/dashboard

Hope this was useful.

Here are some more D365 / Power Platform Admin related posts which might be helpful –

1. Turn Teams On / Off at Org Level, provisioning users | M365 Admin Center Tip
2. Convert environments between Production and Sandbox | Power Platform Admin Center [Quick Tip]
3. Create new Sandbox and copy Production over to it in PowerPlatform Admin Center
4. New ‘Capacity’ analytics on PowerPlatform Admin Center
5. Create new CDS Environment and Database quickly from PowerApps Admin Center
6. Sign up for a Dynamics 365 Project Operations (Lite Deployment) environment and provision a new instance | Power Platform

Thank you!