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New Network & VPN Troubleshooting Tips Top 5 Network, VPN, Remote Access Issues...

Resolutions: TS or RDC client receive blue screen when logon.
1. The profile may be damaged....

Solved: Windows cannot access the specified device, path or file.
Causes: 1. the exe file was moved from other location. 2.....

Solved: Ping -a display a different host name
One of our Windows "server" IP is and router is While we use ping -a,
it displays the server FQND, server.chicagotech.net that should be

Solved: connectivity issue after enabling Windows VPN
We just enabled VPN on our Windows SBS 2003 server running as web server. After that, no one can access the web server...

Troubleshooting OWA 440 Login/Authentication Timeout
In most case, OWA 440 Login/Authentication Timeout error is related to the permission and Authentication.

VPN Error 649 - Case Study
Case 1: Deny remote access permission is check under The Remote Access Policies Setting. Switching it to Grant remote access permission fixes the problem...

You can ping any web sites but not access them
Situation: 1. You can ping any web sites but not access them.

The drive could not be mapped because no network was found
Symptom: when trying to map a network drive, you may receive this error: “The drive could not be mapped because no network was found”...

You could not be authenticated on this server.
ymptom: When trying to access a terminal Server, you may receive this message: You could not be authenticated on this server....

Solution for Peer to Peer VPN using the same IP range
He can establish the VPN, but can't access the computer in the office. How can I fix it?

Troubleshooting SBS issues using CEICW
In the following cases, use CEICW (Configure Email and Internet Connection Wizard) may fix the problems...

Top Network and VPN Issues

Computer Browsing over WAN
You just connected two offices located in the different cities. When trying to browse the domain on My Network Places, you may receive “… is not accessible”...

Can't ping remote computers except the VPN Server
You just created a VPN on Windows 2003 server. You can establish the VPN and ping the VPN server. However, you can't ping any remote workstations' IP.

Access denied when accessing a remote workstations from VPN client
He can map the shared folders on the remote workstation, but can't access. When he tries, he will receive "Access denied". Troubleshooting...


Top 5 VPN Issues and More
Browsing over VPN Issue; VPN Name Resolution Issue; VPN Routing Issue; VPN Slow Issue; VPN Solutions

Top 5 VPN/RAS Error Codes and More
VPN Error 629 The port was disconnected by the remote machine
VPN Error 678 There was not answer
VPN Error 721 Remote PPP peer or computer is not responding
VPN Error 733 PPP protocol ... is not available
VPN Error 800 Unable to establish the VPN connection

Top 5 Network Issues and More
Computer/Master Browser issue; Access Error ...is not accessible; Connection Errors; "Network path not found" Error;
Mapping Issue

Top 5 System Error Codes and More
System error  5 - Access is denied
System error 53 - The network path was not found
System error 85 - The local device name is already in use
System error 1231 - The network location cannot be reached

System error 6118 - The list of servers for this workgroup is not currently available

Top 5 Windows Event IDs and More
Event ID 1054 Windows cannot obtain the domain controller name
Event ID 1218 You do not have access to logon to this Session
Event ID 1311 There are currently no logon servers available
Event ID 2011 Not enough server storage is available
Event ID 5719 The system cannot log you on now

Top 5 TS/RDC Issues and More
The client could not connect to the Terminal server. The server may be too busy. Please try connecting later
The license will be expired in x days message even you had the license installed
You must be granted the allow log on through terminal services
Connectivity to the remote computer could not be established
The local policy of this system does not permit you to logon interactively

 Top 5 TS Licensing Issues and More
Windows cannot connect to a licensing server
TS license Error message 0x13A7, or 0x1391. 0x13A4, 0xFA1
The TS limits two connections even the TS licensing server has been installed
No Terminal Services licensing server is available in the current domain or workgroup"
Cannot find TS licensing server

Top 10 Checklist of Group Policy Troubleshooting
Have you refreshed the Group Policy settings? - Run gpupdate /force if it ... Have you checked the health of the Group Policy objects on domain controllers. ...


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