Network performance became slow behind RRAS
I have virtual W2012 R2 RRAS server on Hyper-V, servicing my entire LAB infrastructure. I´ve been using RRAS for a few years without problems on a same connection on virtual 2008 R2 and 2012 VM...
View ArticleCannot ping or RDP any servers/hosts once connected to the VPN
Hi guys,Until recently our VPN was working fine. At the moment we are able to connect to the VPN but cannot ping (neither IPs or names) or RDP. I can however ping/RDP into one of the RAS IPs which...
View ArticleDHCP Migration 2003 to 2012
I need to migrate DHCP from 2 old Server 2003 servers to 2 2012 Servers. Currently the scopes are split between the two 2003 servers. What I would like to do is combine the split scopes into 1 and...
View ArticleDHCP - Majority Client systems IP acquire issue.
Dear All,I have a drastic issue with DHCP as clients all of sudden could not get IP addresses through local DHCP.1) The DHCP is in the same N/W.2) When observed for the remaining lease it still has...
View ArticleDirectAccess Policy Configuration Error
I'm receiving an error after configuring Direct Access. Running Server 2008 R2 on all servers. Direct access is set up on a VM.DA was running and working without issue a few months ago, then stopped....
View ArticleBad DNS return from inside network
Hello, I am getting my butt kicked on this one. Our company site is now hosted on an external server. There was a DNS CNAME entry made on our domain controller that points www towww.mycompany.com....
View ArticleWindows 8.1 with IE 11.0.2 - WPAD issue
Hi there,I am working on an 8.1 SOE and have an issue whereby the wpad.dat file does not seem to apply and there is a 10 second delay every time IE 11 loads, before our intranet page is displayed...
View ArticleDirect Access policy - dont install Windows 8.1 ENT
Hello,In our company we have domain on Windows 2008 (not R2) with forest and domain on level 2008. In domain we have Windows server 2012 with deployed Direct Access for Laptops with Windows 8 Enterpise...
View ArticleDNS issue : DHCP relay + VLANs + multiple AD Sites
Hi,We're having an issue with our primary DNS Server... Let me explain the Network.We have 6 VLANs : VLAN clients : 192.168.0.0/24 VLAN ToIP : 192.168.2.0/25 VLAN AD (with DHCP relay on routers for...
View ArticleSMTP server 2008 Not using TLS
I have setup a SMTP server 2008 and purchased a SSL cert for it. The cert is found in the SMTP properties. When i telnet to port 25 and do a helo starttls does come up. I am using this SMTP server for...
View ArticleServer 2008 R2 hangs on boot after backup
Windows Server 2008 R2 x64 takes hours to boot, and is very slow.After mounting an external USB drive, and copying the contents of one drive onto the USB external, the system had some error, and took...
View ArticleRemoval of domain's last 2003 DC
Hi, I'm looking at removing the last 2003 DC in my domain. My setup is as follows:1 forest with 2 domain. Parent domain "parent" has 2008 and 2003 DCs. Child domain "child" has 1 2003 DC and multiple...
View ArticleHow to prevent multiple concurrent logons with the same domain account via...
Can anyone advise if there is any way to effectively prevent multiple concurrent logons by the same user account via RRAS and/or Direct Access?I have been directed toward the "UserLock" program to...
View ArticleNNTP monlist DDoS attack: is Windows Server vulnerable?
According to Symantec, there was an abrupt increase in number of NTP monlist DDoS attacks in December. The source...
View ArticleConditional Forwarder and Forward Lookup Zone with same name.
Hello all,Windows Server 2003 DNSWe have a Conditional Forwarder set for eg. abcd.net with three external Name server entries.It has come about we need one particular server (smtp.abcd.net) to resolve...
View ArticleDNS on 3 DC's not Resolving the same
I have 3 DC's each running AD integrated DNS. They are all configured with the same Conditional Forwarders (for our 3 discontiguous Domains) and they all have the same External Forwarders (OpenDNS) in...
View ArticleWindows Server Setup with Normal Home Internet DSL line. Is that possible?
Dear System Admins,I know its a funny question but trying to learn here. I have a Internet DSL line at my home. Where IP is assigned automatically. I have 3 computers I want to setup a home lab for...
View ArticleNew Windows Server 2012 unable connect to Netlogon Service or update DNS records
Hi everybody, all of my Windows Servers 2012 decided to collapse after innocuous group policy update that was meant to make user passwords more secure.The AD and DNS seem to be functioning "normally",...
View ArticleDA2012 - locked files when accessing from outside
Hello everyone,Strange issue going on for weeks now.... after several hours of tests, we may finally have found the culprit : DirectAccess 2012. Infra : - Windows 7 64 bits Ent. clients - Windows 2008...
View ArticleDNS server trying to communicate with non existent IPs
Hey,As stated in the question, I have a DNS server (that is also a DC) that is constently sending dns requests to a few non existent IPs.I noticed it first by seeing said traffic getting dropped by the...
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