• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 217
  • Last Modified:

URGENT Outlook clients Cannot access exhange 2010 server

Came in yesterday to our mail server playing up outlook clients could not connect to it.
From the server console I can connect to it & use logmein, I can browse the web etc. but cannot VNC to it or get outlook client to connect, or connect via telnet.
the windows firewall has been turned off with all settings to allow no difference. I can also access webmail on the server console  but not from a pc.
All incoming connectivity is being blocked???
Has been escalated to Microsoft as business critical...still waiting, so I thought I'd better get the experts involved...come on guys don't let me down
0
Richard Gray
Asked:
Richard Gray
  • 8
  • 4
  • 2
  • +1
3 Solutions
 
AmitIT ArchitectCommented:
Would you restart all Exchange services and check again. also do you have any HLB or NLB in between, if yes, restart that too and check.
0
 
Richard GrayIT & QA ManagerAuthor Commented:
Server has been restarted numerous times. Still the same.. can do anything from the server out but nothing inbound
 HLB NLB???
0
 
Richard GrayIT & QA ManagerAuthor Commented:
Domain controllers have been restarted as well
0
What does it mean to be "Always On"?

Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

 
Richard GrayIT & QA ManagerAuthor Commented:
All other servers working fine....
0
 
AmitIT ArchitectCommented:
HLB: Hardware load Balancer
NLB: Network Load Balancer

Normally there are two main reason for outlook connectivity issue:
1) DNS Setting or wrong Subnet
2) Office customization. (check if you have any .prf file in user machine, if yes open it with notepad and check which server it is pointing)

Starting check both these two items.

Also run ExBPA tool and check for any errors.
0
 
VirastaRUC Tech Consultant Commented:
Hi,

A good place to start with is with EXBPA.
Check this
http://blogs.technet.com/b/exchange/archive/2010/07/28/3410533.aspx

It will give you what direction you should take to troubelshoot this issue like Exchange/AD/DNS/Network etc

Hope that helps :)
0
 
James HodgeManaging DirectorCommented:
Can you connect to the server in any other way? Remote desktop, file shares etc.

If not, then it's nothing to do with Exchange. Windows Firewall or AntiVirus - or networking? Internal DNS?

James
0
 
Richard GrayIT & QA ManagerAuthor Commented:
Microsoft been on it 5 hours now......

Cant connect to it using telnet, RDP, VNC or via shares, butcan usingsing logmein
From the server I can RDP any other server, VNC any other server & access shares
0
 
AmitIT ArchitectCommented:
That's a way MS burns customer hours.....escalate to next level engg....Tier3 or above...
0
 
Richard GrayIT & QA ManagerAuthor Commented:
already have done.....
0
 
Richard GrayIT & QA ManagerAuthor Commented:
Ok this is what happened...
A Corrupt group policy was forcing a software firewall to Windows 2008 servers (mail runing on 2008 & when we went to build a temp server & joined it to the network same problem), which had corrupted the registry, and Microsoft confirming there was a virus on it, didn't help the situation either. So rebuilding was the only option, well an exchange server recovery was. That went ok except it left a few holes.
Blackberry server not working having now installed Exchange 2010 SP2 Certificate issue
Out of office coming up with and error “Server not available”
Symantec Backup Exec 2012 services not starting
 Certificate issue – Server using incorrect certificate so users were getting security warnings
Fix permissions after a failed installation of Exchange 2010 (Couldn’t access EMC Server configuration Client Access)
Configure Exchange 2010 to work with a single certificate
Install ASP as recommended by the Exchange heath monitor
Windows Updates
Rebooting and testing active sync for mobile phones and OWA, and Outlook 2007 sending and receiving email
Certificate issue also fixed BES Server problem
0
 
AmitIT ArchitectCommented:
how you recovered the server? Ideal way is to use recover switch.
0
 
Richard GrayIT & QA ManagerAuthor Commented:
We did use the recover switch " as I said well an exchange server recovery was".
0
 
Richard GrayIT & QA ManagerAuthor Commented:
Was a old group policy from way back when, which didnt know about Windows Server 2008 onwards
0
 
VirastaRUC Tech Consultant Commented:
Thanks for taking time to share the root cause of the issue.

Really helpfull :)
0

Featured Post

Free Tool: ZipGrep

ZipGrep is a utility that can list and search zip (.war, .ear, .jar, etc) archives for text patterns, without the need to extract the archive's contents.

One of a set of tools we're offering as a way to say thank you for being a part of the community.

  • 8
  • 4
  • 2
  • +1
Tackle projects and never again get stuck behind a technical roadblock.
Join Now