I Lost RDP session on gcp VM(windows server 2016) afer changing firewall settings

[Jamil Aslam]

Hi,

I was trying to enable remote access to SQL Server 2016 installed on GCP VM instance. Allow remote connections was enabled on SQL Server, but couldn't access remotely. So, I setup inbound rules to allow TCP and UDP ports on 1433 and 1434 respectively without help. Then I made some changes to firewall settings to allow/block connections(I don't remember exactly what I changed here).

Suddenly I lost my RDP session and now that Instance is unreachable via IP or RDP or URL. I tried pinging that IP but request timed out.

Can someone please help?

[Derek Murphy]

Hello,

I would first suggest that you go over your firewall rules to make sure that this is not the issue. If that doesn’t work then I would ask when you say you cannot access, what error do you get?

[Jamil Aslam]

Hi Derek,

Thank you for your reply. My firewall rules blocked the inbound traffic and RDP sessions. I found a solution from this blog and it worked for me.

https://blog.doit-intl.com/restoring-windows-server-access-via-the-google-cloud-serial-consol-5023837c8cda

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Thanks

Jamil Aslam