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I've following setup:

  • SBS11 Server (192.168.5.2)
  • Win 2008R2 Server with SQL (192.168.5.5)
  • Various client computers (192.168.5.160-200)

The issue is that I can ping the SBS11 Server from outside (LAN), but can't ping/reach any other hosts from the SBS11. This leads to scenarios where I can't even access the gateway (192.168.5.51) from the SBS (192.168.5.2), but my SQL Server (192.168.5.5) has no issues at all.

Any tips on what I need to check? Thanks.

Routing Table:

C:\Users\tghuvn05>route print
===========================================================================
Schnittstellenliste
 18...00 0c 29 41 ff 82 ......vmxnet3 Ethernet Adapter
  1...........................Software Loopback Interface 1
 12...00 00 00 00 00 00 00 e0 Microsoft-ISATAP-Adapter
 14...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface
===========================================================================

IPv4-Routentabelle
===========================================================================
Aktive Routen:
     Netzwerkziel    Netzwerkmaske          Gateway    Schnittstelle Metrik
          0.0.0.0          0.0.0.0     192.168.5.51      192.168.5.2    261
        127.0.0.0        255.0.0.0   Auf Verbindung         127.0.0.1    306
        127.0.0.1  255.255.255.255   Auf Verbindung         127.0.0.1    306
  127.255.255.255  255.255.255.255   Auf Verbindung         127.0.0.1    306
      192.168.5.0    255.255.255.0   Auf Verbindung       192.168.5.2    261
      192.168.5.2  255.255.255.255   Auf Verbindung       192.168.5.2    261
    192.168.5.255  255.255.255.255   Auf Verbindung       192.168.5.2    261
        224.0.0.0        240.0.0.0   Auf Verbindung         127.0.0.1    306
        224.0.0.0        240.0.0.0   Auf Verbindung       192.168.5.2    261
  255.255.255.255  255.255.255.255   Auf Verbindung         127.0.0.1    306
  255.255.255.255  255.255.255.255   Auf Verbindung       192.168.5.2    261
===========================================================================
Ständige Routen:
  Netzwerkadresse          Netzmaske  Gatewayadresse  Metrik
          0.0.0.0          0.0.0.0     192.168.5.51       5
          0.0.0.0          0.0.0.0     192.168.5.51  Standard
          0.0.0.0          0.0.0.0     192.168.5.51  Standard
===========================================================================

IPv6-Routentabelle
===========================================================================
Aktive Routen:
 If Metrik Netzwerkziel             Gateway
  1    306 ::1/128                  Auf Verbindung
 18    261 fe80::/64                Auf Verbindung
 18    261 fe80::d054:ab88:b633:9a1/128
                                    Auf Verbindung
  1    306 ff00::/8                 Auf Verbindung
 18    261 ff00::/8                 Auf Verbindung
===========================================================================
Ständige Routen:
  Keine

Also after deleting the network adapter and adding it again, I can finally ping all the other computers in the LAN - but not the gateway. DNS also doesn't work (local and internet).

share|improve this question
    
while this could be one of the many well known windows idiosyncrasies, I would post the routing table and check if the problem persists when firewalls are turned off –  Dmitri Chubarov Apr 21 '12 at 16:07
    
Thanks, I've just updated the post. –  Joseph jun. Melettukunnel Apr 21 '12 at 16:28

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