Write-Host || Cannot invoke this function because the current host does not impl ...

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I, Rohit Garg, am working as Consultant in IT Company. I am having an around 5 years of experience in MSSQL server & other Microsoft technologies. I am working as DBA in Microsoft SQL Server from last 5 years in e-Commerce, Telecom, Finance domain. In this tenure, I got a chance of working as Database administrator, Developer and trainer on SQL server 2000 to SQL Server 2012. I am holding Master’s degree in Computer Science along with certification in SQL Server & .Net. I like to learn new things by hand-on experience on regular basis. This journey is so far is delightful & valuable with the addition of wonderful friends.

Write-Host || Cannot invoke this function because the current host does not implement it Posted on 1 February 2017 Comments

Issue:While running powershell in SQL job step, I am getting below error:

A job step received an error at line 13 in a PowerShell script. The corresponding line is ‘Write-Host “ServerName: ” $comp’. Correct the script and reschedule the job. The error information returned by PowerShell is: ‘Cannot invoke this function because the current host does not implement it. ‘. Process Exit Code -1. The step failed.

Solution:SQL Server Agent allows users to directly run PowerShell scripts in SQL Server Agent. Internally this is implemented by reusing the SQLPS.EXE shell. When SQL Server Agent starts SQLPS.EXE, it does not do this through the console (there is no console attached).

When you run Write-Host, PowerShell asked to write on host console but due to no availability of HOST console, we got error.

I removed Write-Host to resolve issue.

Reference: Rohit Garg ( http://mssqlfun.com/ )

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