Error 1219 when accessing a shared folder: how to fix it

El Error 1219 when accessing a shared folder This error appears when Windows detects connections to the same server with different usernames within the same login context. You might encounter it when connecting a network drive, opening a different folder on the server, or trying to change the account used to log in.

For example, if you have already opened \\SERVIDOR\Ventas with an account, try to log in \\SERVIDOR\Sistemas With another account, it can cause conflict. To resolve it, you need to locate the previous connections, close them, and log back in with the correct identity.

What does error 1219 mean in a shared folder?

The message usually indicates that multiple connections to the same server using more than one username are not allowed. The conflict may affect different folders hosted on that serverChanging the shared resource is not the same as connecting to another computer.

This doesn't necessarily mean the password is incorrect. There may be a previous connection that Windows is using that is incompatible with the new identity requested.

Therefore, before modifying permissions or changing security settings, confirm that the notice expressly mentions the system error 1219A route not found or access denied requires different checks.

Identify open connections with net use

Save any open documents from the server and close any windows or applications using their folders. Then, open Command Prompt. with the same user and permission level with which the problem occurs.

If the problem occurs in the regular File Explorer, start with a normal command prompt. Running it as administrator may provide a different context and make comparison difficult.

Check existing connections:

net use

Locate the paths pointing to the affected server. There may be connections with a letter, such as Z:and others without an assigned letter. Note the resources you need to recover before disconnecting them.

For additional information on PowerShell, you can consult:

Get-SmbConnection |
    Select-Object ServerName, ShareName, UserName, Credential, Dialect, NumOpens

This command allows you to review the servers, resources, and identities of the SMB connections returned by the query. It does not delete connections or modify their configuration.

Disconnect the resources from the affected server.

Delete any connections identified to that server. These examples are alternatives depending on how each connection appears:

net use Z: /delete

net use \\SERVIDOR\Ventas /delete

Repeat the process for the other resources on the same server that are experiencing the conflict. If a connection appears to IPC$You can also disconnect it by specifying its exact route:

net use \\SERVIDOR\IPC$ /delete

Disconnecting a drive does not delete the files from the server.However, it interrupts access from that connection. If Windows warns you about open files or a resource in use, return to the applications, save your work, and close them before continuing.

Avoid starting with net use * /delete: cancels all network connections managed by the command, including those unrelated to the problem.

Check your saved credentials and reconnect

If Windows reverts to using an old account, open the Credential Manager from the Control Panel and enter Windows CredentialsCheck the entries corresponding to the server name, IP address, or alias.

Only remove outdated credentials from the affected computer. You can also view stored entries from the console:

cmdkey /list

To delete a specific entry, use its exact destination. For example:

cmdkey /delete:SERVIDOR

Deleting a saved credential does not, by itself, close an SMB connection that is already open. Therefore, this check must accompany the disconnection of the previous resources.

Then, reconnect with the account that has the necessary permissions:

net use Z: \\SERVIDOR\Compartida * /user:DOMINIO\usuario /persistent:no

Replace the server, folder, and user with your own information. The asterisk makes Windows prompt for the password without displaying it as you type it, and /persistent:no Avoid saving this new assignment for future logins.

If you are using a local account on the server or NAS, use the user format that corresponds to that device.

What to do if error 1219 reappears

Check if any applications, Explorer windows, or startup settings are reopening a connection with the old identity. Check again. net use after reproducing the fault.

If you can't free up the connections in your session, save your work and Log off Windows before logging back in. On a managed system, it informs the administrator which server and accounts are involved in order to review the automatically recreated connections.

The stable solution involves using an authorized identity for the resources you need within that context. It does not involve sharing a service account among all employees or granting administrator privileges.

Can I use the server's IP address or an alias?

Microsoft documents the use of an IP address or other DNS alias as alternatives that can cause the client to treat the destination as a different server. However, They are not universal substitutes for a correct configuration.

In a corporate network, accessing by IP address can prevent the normal use of Kerberos and may fail if NTLM is blocked. Aliases also require consistent naming and authentication configurations. If you need two simultaneous identities, ask your administrator to determine the appropriate option.

If a high-level application, service, or task fails

Just because a drive letter appears in Explorer doesn't guarantee it will also be available in a program running as administrator. Drive letters are tied to the login context and may not be shared between the regular session and the elevated session.

For services and processes that run in another context, use a UNC path like \\SERVIDOR\Compartida and check the permissions of the account running the process. The UNC path avoids dependence on a letter, but does not grant access or eliminate a credential conflict.

The command whoami It identifies the user of the console where you run it; it does not by itself demonstrate what identity a different service uses.

Don't confuse 1219 with other access blocks

If the message changes after reconnecting, diagnose the new error before further modifying credentials:

• Route not found: Check the server name, shared folder, and connectivity.
• Access denied: Request a review of the account used and its permissions.
• Blocked Unauthenticated Guests: Configure a valid user on the server or NAS instead of enabling insecure access as a general solution.
• SMB security incompatibility: Review the server or NAS settings and updates with the administrator.

Do not enable SMB 1.0 to try to fix error 1219. Windows Server 2012 R2 supports SMB 3.02, and an identity conflict is not resolved by enabling an older protocol. Disabling User Account Control (UAC) or lowering SMB protections is also unnecessary to reconnect with the correct account.