Error 258

This kind of error is normally generated if you have “weird” characters in your image names or path names. In this case it might be the path name. Please check and try to make it as simple as possible.

Error 258 means that the debugger failed to the connect to the target CPU.

I recently encountered an issue with a customer connecting to Microsoft Dynamics SL via Terminal Services.  The administrative user on the server could login to Dynamics SL but the non-admin users received an error message SQL Server Error 258: Unable to complete login due to timeout.

We tested changing access rights in SQL for the non-admin users and added the non-admin users to the local administrator group on the Terminal Server.  No change.  We rebooted the Terminal Server and the SQL Server.  No change.  I read a blog post about the TCP/IP Listener becoming hung up and decided to disable and enable the TPC/IP protocol for SQL Server.

Solution:  Disable TCP/IP via SQL Configuration Manager.  Reboot the SQL Server and enable TCP/IP. Have the user login to Dynamics SL.

Error 256 is one such error that is generally seen on iMac where you are unable to export a JPEG image. This issue is often resolved by shutting down the MacBook Pro and restarting it again.

How do I fix errors on my hard drive?
Quick fix
  1. Use CHKDSK to fix logical file system errors and metadata of the file system. …
  2. Run a System File Checker (SFC) to repair corrupt Windows files, which may have caused the error to occur. …
  3. If none of the above helps, use a data recovery tool to recover the data from your corrupt or damaged hard drive.

I get the following message when trying to connect to SQL database from a remote machine using MS Management Studio with Server Name [ XX.XXX.XXX.XXX,1433\MyServerName ] and SQL authentication:

Cannot connect to XX.XXX.XXX.XXX,1433\MyServerName.

ADDITIONAL INFORMATION: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: TCP Provider, error: 0 – The wait operation timed out.) (Microsoft SQL Server, Error: 258)

The wait operation timed out

I have done the following:

  • Allowed remote connection in Server Properties window in SQL Management Studio
  • Configured server machine to have static IPv4/DNS addresses.
  • Enabled TCP/IP in SQL Configuration Manager (in SQL Server Network Configuration)
  • In TCP/IP properties, adjusted [ Protocol -> Listen All -> No ] & set IP[1-8] to TCP port 1433 and IPAll port to 1433 (TCP dynamic ports left blank)
  • Set Inbound/Outbound enable connection (Domain, public, private) rules in Windows Firewall for ports TCP 1433, UDP 1434 (should make no difference, since port is specified), service executables: sqlbrowser.exe in C:\Program Files (x86)\Microsoft SQL Server\90\Shared (not used I think because port is specified) and sqlservr.exe in C:\Program Files\Microsoft SQL Server\MSSQL13.MyServerName \MSSQL\Binn
  • Set NAT actions in server-side router for ports 1433 (TCP), 1434 (UDP) (again, should not matter) to server’s local IPv4 address and ports 1433, 1434 accordingly.
  • Made sure SQL service is running, ports are open and listening on server machine.

I can connect to the database on server machine using Windows or Sql credentials with either PC name, or machine’s local IPv4.

Interesting thing is, when >telnet XX.XXX.XXX.XXX 1433 is run, it takes about 10-12 seconds to fail (Could not open connection to the host, on port 1433: Connect failed), but I can see the 2 packets coming to the router itself. Same with the login using SQL Manager – packets come to the router, but either server machine refuses (doesn’t resolve?) the connection, or it doesn’t even get to the machine.

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