Help trying to setup a home lab - The certificate chain was issued by an authority that is not trusted

  • Hi,

    Can anyone help me, please? I'm trying to set up a home lab using VMware and I'm having trouble with this error:

    The certificate chain was issued by an authority that is not trusted

    So, I have a DC installed on a VM and another VM with 2 SQL instances. I was planning to install Management Studio on the host machine and connect to the SQL instances installed on the VMs. Everytime I try to connect to the instances using Management Studio using the authentication method: "active directory password authentication" and providing the user and pw, I'm getting this message:

    A connection was successfully established with the server, but then an error ocurred during the login process (provider: SSL Provider, error: 0 - The certificate was issued by an authority that is not trusted) (Microsoft SQL Server)

    I'm using the admin user that I created on the DC to login to those instances. DOMAIN\administrator.

    Options from the configuration manager:

    SQL Server network configuration

    Force Encryption = No

    Hide Instance = No

    SQL Native Client 11.0 Configuration

    Force Protocol Encryption = no

    Trust Server Certificate = no

    Thank you!

  • have you successfully joined the machine to the domain?

    Can you provide a little more detail at all?

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    "Ya can't make an omelette without breaking just a few eggs" 😉

  • Hi,

    The VM with those 2 SQL instances are on the domain.

    I changed the authentication method on these 2 instances to mixed mode.

    Now, I can successfully connect to the instances using SQL Authentication, via SSMS on the host machine.

    The host machine isn't on the domain... I was wondering if that's why I was getting that error.

    I found this post about "Connect to SQL Servers in another domain using Windows Authentication".

    Is this going to help me?

    Thank you!

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