Add link to create Service Principal

Author: Phil-Jensen

articles/azure-netapp-files/azacsnap-troubleshoot.md

@@ -163,6 +163,8 @@ To troubleshoot this error:
    [19/Nov/2020:18:41:10 +13:00] DEBUG: [PID:0020257:StorageANF:659] [1] Innerexception: Microsoft.IdentityModel.Clients.ActiveDirectory.AdalServiceException AADSTS7000222: The provided client secret keys are expired. Visit the Azure Portal to create new keys for your app, or consider using certificate credentials for added security: https://docs.microsoft.com/azure/active-directory/develop/active-directory-certificate-credentials
    ```
 
+For more information on generating a new Service Principal, refer to the Install Azure Application Consistent Snapshot tool guide's section [Enable communication with Storage](azacsnap-installation.md?tabs=azure-netapp-files%2Csap-hana#enable-communication-with-storage)
+
 ## Troubleshoot failed 'test hana' command
 
 The command `azacsnap -c test --test hana` might not complete successfully.