Skip to content
  • Solutions
    By Role
    • For Developers
    • For Content Managers
    • For Agencies
    • For IT Admins
    • For Web Hosters
    • For Developers
    • For Content Managers
    • For Agencies
    • For IT Admins
    • For Web Hosters
    By Infrastructure
    • Overview
    • AWS
    • Microsoft Azure
    • Alibaba Cloud
    • Google Cloud Platform
    • Vultr
    • Overview
    • AWS
    • Microsoft Azure
    • Alibaba Cloud
    • Google Cloud Platform
    • Vultr
    • Digital Ocean
    • Linode
    • Upcloud
    • Oracle
    • OVH
    • Digital Ocean
    • Linode
    • Upcloud
    • Oracle
    • OVH
  • Product
    • Plesk Features
    • Plesk Editions
    • What’s new
    • Pricing
    • Roadmap
    • Lifecycle Policy
    • Extensions Catalogue
  • Pricing
  • Extensions
    Featured Extensions
    • SocialBee
    • WP Toolkit
    • Sitejet Builder for Plesk
    • SEO Toolkit
    • Joomla! Toolkit
    • Premium Email
    • Email Security
    • SocialBee
    • WP Toolkit
    • Sitejet Builder for Plesk
    • SEO Toolkit
    • Joomla! Toolkit
    • Premium Email
    • Email Security
    Bundles and packs:
    • Business and Collaboration Edition
    • WP pack
    • Hosting pack
    • Power pack
    • Language pack
    • Business and Collaboration Edition
    • WP pack
    • Hosting pack
    • Power pack
    • Language pack

    See all Extensions

  • For Partners
    • Plesk Contributor Program
    • Plesk Partner Program
    • Affiliate program
    • Plesk University
  • Help Center
    • Documentation
    • Professional Services
    • Support
    • Contact Us
    • Wiki
    • Forum
  • Plesk 360 login
  • Free Trial
  • Pricing
  • Solutions
    • By Role
      • For Developers
      • For Content Managers
      • For Agencies
      • For IT Admins
      • For Web Hosters
    • By Infrastructure
      • Overview
      • Plesk on Amazon Web Services (AWS & Lightsail)
      • Microsoft Azure
      • Alibaba Cloud
      • Google Cloud Platform
      • Vultr
      • DigitalOcean
      • Linode
      • UpCloud
      • Oracle
      • OVH
  • Products
  • Pricing
  • Extensions
    • Featured Extensions
      • SocialBee
      • WP Toolkit
      • Sitejet Builder for Plesk
      • SEO Toolkit
      • Joomla! Toolkit
      • Premium Email
      • Email Security
    • Bundles and packs:
      • Business and Collaboration Edition
      • WP pack
      • Hosting pack
      • Power pack
      • Language pack
      • See all Extensions
  • For Partners
    • Plesk Contributor Program
    • Plesk Partner Program
    • Affiliate Program
    • Plesk University
  • Help Center
    • Documentation
    • Professional Services
    • Support
    • Contact Us
    • Wiki
    • Forum
  • Plesk 360 login
  • Free Trial
  • Pricing
  • Solutions
    • By Role
      • For Developers
      • For Content Managers
      • For Agencies
      • For IT Admins
      • For Web Hosters
    • By Infrastructure
      • Overview
      • Plesk on Amazon Web Services (AWS & Lightsail)
      • Microsoft Azure
      • Alibaba Cloud
      • Google Cloud Platform
      • Vultr
      • DigitalOcean
      • Linode
      • UpCloud
      • Oracle
      • OVH
  • Products
  • Pricing
  • Extensions
    • Featured Extensions
      • SocialBee
      • WP Toolkit
      • Sitejet Builder for Plesk
      • SEO Toolkit
      • Joomla! Toolkit
      • Premium Email
      • Email Security
    • Bundles and packs:
      • Business and Collaboration Edition
      • WP pack
      • Hosting pack
      • Power pack
      • Language pack
      • See all Extensions
  • For Partners
    • Plesk Contributor Program
    • Plesk Partner Program
    • Affiliate Program
    • Plesk University
  • Help Center
    • Documentation
    • Professional Services
    • Support
    • Contact Us
    • Wiki
    • Forum
  • Plesk 360 login
  • Free Trial
Plesk 360 login
Free Trial

Knowledge Base

Import/export of a remote MS SQL Server database fail in Plesk: Unable to connect to the network share Unable to open network connection: A specified logon session does not exist. It may already have been terminated

 
backupdatabasedatabasesgoip

Symptoms

When exporting/importing a Microsoft SQL database or applying new backup settings for a remote MS SQL Servers at Tools & Settings > Database Servers > remote_MSSQL_ServerName > Backup section, the operation fails with the error message:

Unable to open network connection: A specified logon session does not exist. It may already have been terminated
(Error code 21)

Cause

Incorrect database user name specified in connection settings: the user on the remote server is set without network specification:

john_doe

Resolution

  1. Log in to Plesk.

  2. Go to Tools & Settings > Database Servers > remote_MSSQL_ServerName > Backup section.

    Specify server name or IP address of the remote server with Microsoft SQL Server.

    203.0.113.2john_doe

  3. Click OK to apply the changes.

 

Additional information

  • Configuring Backup Settings for Remote SQL Servers | Plesk Obsidian Documentation

 

 

Tweet
Share
Share
Email
0 Shares
Read the full article
Related Posts

How to Host a Go App on Plesk

Read More »

You Are Always Safe When You Have an Up-To-Date Plesk Backup

Read More »

Plesk with Centralized Database and Network File System

Read More »
Knowledge Base

How to add an already installed Microsoft SQL server in Plesk

Read More »

How to add a new instance of existing MS SQL Server to Plesk

Read More »

How to enable remote connections to MS SQL server on a Plesk server?

Read More »

How to reset a password for the ‘sa’ user of a Microsoft SQL Server instance on a server with Plesk

Read More »

Hosting Wiki

  • Django
  • Server Redundancy
  • Google Cloud CDN
  • PostgreSQL
  • Bare Metal Server
  • Backup
  • MySQL
  • Oracle VM Server
  • Server Virtualization Software
  • Windows Server
  • JavaScript
  • MSSQL
  • MongoDB
  • SQL
  • Plesk
  • SQL database
  • NoSQL Database
  • Web Server
  • DNS Server
  • IPv6
  • IPv4
  • SIP
  • UDP/IP
  • Network Bandwidth
  • TCP/IP
X-twitter Linkedin Youtube Reddit Github
  • Product
  • Login
  • Pricing
  • Editions
  • For Partners
  • Partner Program
  • Contributor Program
  • Affiliate Program
  • Plesk University
  • Company
  • Blog
  • Careers
  • Events
  • About Plesk
  • Our Brand
  • Resources
  • User and Admin guides
  • Help Center
  • Migrate to Plesk
  • Contact Us
  • Hosting Wiki
  • Forum
  • Legal
  • Legal
  • Privacy Policy
  • Imprint

© 2025 WebPros International GmbH

Part of the WebPros®  Family