Merge pull request #10838 from MicrosoftDocs/chrisda

Added CertificateThumbprint note

Author: chrisda

exchange/docs-conceptual/app-only-auth-powershell-v2.md

@@ -75,6 +75,9 @@ The following examples show how to use the Exchange Online PowerShell module wit
 
 - **Connect using a certificate thumbprint**:
 
+  > [!NOTE]
+  > The CertificateThumbprint parameter is supported only in Microsoft Windows.
+
   The certificate needs to be installed on the computer where you're running the command. The certificate should be installed in the user certificate store.
 
   - <u>Exchange Online PowerShell</u>:

exchange/docs-conceptual/connect-to-exchange-online-powershell.md

@@ -410,6 +410,9 @@ This section attempts to compare older connection methods that have been replace
 
   - **Certificate thumbprint**:
 
+    > [!NOTE]
+    > The CertificateThumbprint parameter is supported only in Microsoft Windows.
+
     ```powershell
     Connect-ExchangeOnline -CertificateThumbPrint "012THISISADEMOTHUMBPRINT" -AppID "36ee4c6c-0812-40a2-b820-b22ebd02bce3" -Organization "contoso.onmicrosoft.com"
     ```