Or, Access to shared
folders denied after enabling Protocol Encryption in VNXe3150
Or, Shared folder’s
access denied after enabling Protocol Encryption EMC VNXe3150
Or, How shared
folders Protocol Encryption works – EMC VNXe 3150
Descriptions: Guys
if you have enabled protocol encryption on some of your shared folder that are
directly shared from your VNXe3150 storage box, it is possible that windows 7
machines may not be able to access those shared folders after enabling protocol
encryption on the shared folders from storage side. However, windows 10 machines can access those shared folder without
any errors.
How shared folders
Protocol Encryption works – EMC VNXe 3150: Enabling Protocol Encryption is
not the encryption of data either on client or storage side. Enabling Protocol
encryption just encryption the data in transit. Means, the data travelling
between client and storage is encrypted only while travelling.
Scenario: I had
recently enabled protocol encryption on some of the shared folder of my storage
box VNXe3150 to meet organisation security requirement of data encryption.
Soon after enabling Protocol Encryption from storage side, I
noticed that windows 7 users are not able to access any of the shared folders,
which are having protocol encryption enabled on them. However, users using
windows 10 machines are able to access those folders without any error.
IMP Note: Never
be confused with management IP and shared folders IP if you are using direct-shared
folders from VNXe3150 storage box. Management IP is the one that gives you the
ability to manage your storage box (e.g. any administrative tasks, firmware
update, health check etc...) whereas, shared folder IP address is the one that
you use to access the shared folder’s using \\path
etc…
You may be aware of already (that is goodJ) but I would like to
let you that, shared folder’s IP address that you use to access the shared
folder on your windows machines also have Registry
Keys Hierarchy like windows. To resolve the problem all you need to do is
you need to fine-tune the registry keys of the shared folders (not the local
machine’s regedit keys).
Solution: modifying
the shared folders registry keys
On your local windows machine, go to Run > type regedit
> press Enter
Got to File option
> Click on ‘Connect Network Registry’
> Type the IP address of the shared folder to connect
After successful connection, the shared folder’s registry
should look like below.
Browse the registry key until the path:
“HKLM\System\CurrentControlSet\Services\LanmanServer\Parameters”
Set the following parameters
“Encryptdata” to 1
and "RejectUnencryptedAccess" to 0
Take a reboot of your storage and SPs to make sure these
changes are completely applied and in effect.
Note: Please
understand the risk of modifying registry keys before modify them.
Cheers, please let me know if you have any query or feedback
on this.
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