Merge pull request #107502 from juanandmsft/patch-34

Note on CNAME matching account name

Author: Jak-MS

articles/storage/files/storage-files-identity-multiple-forests.md

@@ -145,6 +145,11 @@ To use this method, complete the following steps:
 
 Now, from domain-joined clients, you should be able to use storage accounts joined to any forest.
 
+> [!NOTE]
+> Ensure hostname part of the FQDN matches the storage account name as described above. Otherwise you will get an access denied error: "The filename, directory name, or volume label syntax is incorrect." A network trace will show STATUS_OBJECT_NAME_INVALID (0xc0000033) message during the SMB session setup.
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 ### Add custom name suffix and routing rule
 
 If you've already modified the storage account name suffix and added a CNAME record as described in the previous section, you can skip this step. If you'd rather not make DNS changes or modify the storage account name suffix, you can configure a suffix routing rule from **Forest 1** to **Forest 2** for a custom suffix of **file.core.windows.net**.