Linked Servers with service account - Error 18456 state 6

  • Hi guys,

    I have a central server and n other servers that are collected on using linked server connections.

    My original setup (for testing) was:

    Local login: my username

    Remote user: a SQL Server login (if mixed mode)

    For a login not defined in the list above: the same SQL Server login

    Now I've been given a service account (no password expiry) and was planning to use only this. The steps I've done are:

    1. Add the user to the central server in an Administrator group.

    2. Granted this login sysadmin on the central server

    3. Added the user to a "remote users" group on a remote server

    4. Granted the login remote the same privileges I granted the SQL Server login (master/msdb read/exec)

    I tested and I can log on to the central server with the service account, open mstsc & remote to the other server with that login & connect to the remote instance & run the queries I want; it's just not doing it with the Linked Server.

    My new linked setup attempt is:

    Local login: service account (in the admin group)

    Remote user: I have tried both Impersonate & entering the DOMAIN\USER & password for the service account as the Remote User & password

    For a login not defined in the list above: the same service account (domain\user & pass)

    Anyone know why it's failing when my the user on the central server has sysadmin & I can remote to the other & run queries fine with mstsc? Thanks for any info

    I found this but I'm not sure if it's relevent to me: http://www.sqlservercentral.com/Forums/Topic1222568-146-1.aspx -- ideally looking to limit the dependency on other teams


    Dird

  • your Linked server is working fine. test it and reply

  • With linked servers, the provided logins are always SQLUsers ! ( no windows domain accounts )

    I don't use linked servers to gather inventory information from my sqlserver instances.

    I use SQLAgent jobs that run their steps using a provided SQLAgent proxy account ( is windows domain account ~ service account ) which run Powershell scripts that collect / script and store the wanted information.

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  • Hi,

    It is not working fine:

    2013-08-14 12:05:00.97 Logon Login failed for user 'dom\svcusr'. Reason: Attempting to use an NT account name with SQL Server Authentication.


    Dird

  • ALZDBA (8/14/2013)


    With linked servers, the provided logins are always SQLUsers ! ( no windows domain accounts )

    I don't use linked servers to gather inventory information from my sqlserver instances.

    I use SQLAgent jobs that run their steps using a provided SQLAgent proxy account ( is windows domain account ~ service account ) which run Powershell scripts that collect / script and store the wanted information.

    Oh, that would explain it haha. I'm using SQL XE 🙁 I'll just try doing impersonate with the service account & my own (then try flipping the scheduled jobs to run as the service account).


    Dird

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