اي خطوة فيها مشكلة او استفسار اني حاضر للاجابة. لاتنسوا الدعاء لي :frnd"
Loss of connectivity
Check all cable connections.
Check media state for all wired and wireless network interfaces.
Check network connectivity by pinging another computer on the network.
Check internetwork connectivity by pinging a com
Check IP address and default gateway settings.
Check DNS and WINS
Check proxy settings.
Check security policies and authentication settings.
Check whether the server’s TCP/IP settings are correct
Physical layer problems
Is the server running?
Are necessary peripherals attached and running properly?
Are network cables properly connected?
Are NICs connectivity/power lights on?
Is recently added hardware compatible with operating system
Are correct drivers installed on server?
Are new devices causing internal BIOS conflicts on server?
Name resolution problems
Can you ping another system by both name and IP address?
Check DNS settings.
Check WINS settings.
Check HOSTS and LMHOSTS files
Ensure that there no absolete host files entries
Print server problems
Is the printing device working and are all connections secure
Make sure the correct printer drivers are installed.
Check the print spooler service to ensure that its running
Check to see that there is plenty of disk space on the server for spooling.
Check the permissions set on the printer
If your network is active directory domain so check group policy settings
E-mail server problems
Ensure that the Mail Exchange (MX) resource records in your DNS entries are correct
Ensure that the mail server has plenty of disk space for user mailboxes.
If you want your mail server to receive mail from other mail servers, ensure that your mail server is configured to enable relay.
Ensure that the server is configured to accept relay messages only to your own mail domains.
Terminal Services problems
In active directory domain, check group policy and each user account properties if users are unable to connect to the terminal server or are unexpectedly disconnected
Ensure that Terminal Services and/or Remote Desktop are configured correctly.
Ensure that you have set up a Terminal services license server and that you have sufficient licenses
Dial-up/remote access server problems
Ensure remote access services installed and configured on the server
Make sure the service is started.
Ensure that your dial-in, PPTP, and/or L2TP ports are enabled to accept inbound remote access calls.
Ensure that the remote access server is configured to allow connections on the protocol (s) being used by the remote clients.
Does the application interact with networking?
Are all installed applications compatible wit
Check the event log for application errors.
Check the application log (Start - admin tools - even viewer) for application errors
What else could be the problem
Check client license and license settings
Check server's security settings
Check client computers and router to ensure the problem doesnt lie elsewhere