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VPN routing issue.

I have a staff person connecting through vpn.   While they have some access on the network, they cannot get to the email server.  No ping access by name or address.

  We have a Windows 2008 Server network with 3 Domain Controlllers A, B, and C.     They all have DNS "Roles"    The staff person cannot connect to the email server "D".  Not by name or ipaddress.  They have ping access to gateway and some other devices including Domain server "C"   - but not "A" or "B" servers either.  


Can someone help me get to the bottom of this?  
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egalois
Asked:
egalois
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2 Solutions
 
asavenerCommented:
Check that the routing table on "D" is the same as "C"

Run a command prompt and enter "route print".  Compare the results from "C" and "D".  
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egaloisAuthor Commented:
They are identical except in the areas you would expect like address for the local machine and "metric".
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egaloisAuthor Commented:
I notice in the PPP adapter on the remote staff pc, the default gateway address shows the same as the given Ipaddress for the local machine and not our actual default gateway.   Also the subnet is supposed to be 255.255.252.0 and it's showing 255.255.255.255

I'm not very sure of what it should be, but it seems wrong.  Can someone clarify on what the adapter settings should be and why they might be wrong?
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SIM50Commented:
Is your RAS configured to give out IP from DHCP servers or a set static pool?
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asavenerCommented:
That weird entry in your routing table is probably a route cache entry (RCE).  That's normal.

What about windows firewall on "D"?
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egaloisAuthor Commented:
RRAS uses the DHCP.   I'm not opposed to using a Static Pool if this is the Best practice and I have a good cause.    Windows firewall is "ON" for server "D" (our email server).  
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asavenerCommented:
Try turning off the Windows firewall?
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egaloisAuthor Commented:
Found the staff person had bought a new router and the router address conflicted with the internal addressing.

Resolved
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egaloisAuthor Commented:
I really appreciate the attempt.  As it turns out the staff person didn't divulge all.  But no matter, I used the possible solutions to come to a better solution for VPN RRAS
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