Not able to access company information after connected to VPN.

Problem: Not able to access company internal application and shared folders after connecting to particular company VPN. There wont be any problem connecting VPN. But after connecting VPN, when you try to access company internal application or shared folders, you will get error.

Cause: This problem occures becuase of DNS resolution issue.

Solution: In Windows XP Professional

-->Go to C:\Windows\System32\drivers\etc

-->open hosts file with notepad.

-->Add interal ip(ip of company servers which you want to access from home using VPN)

and Server name.

--> Save and Close the file.

In Windows Vista

--> Open a notepad as administrator.

--> Click on File menu--> Click on 'Open' option.

--> locate the 'hosts' file in C:\Windows\System32\drivers\etc

--> Select hosts file and open.

-->Add interal ip(ip of company servers which you want to access from home using VPN)

and Server name.

--> Save and Close the file.

Data Execution Prevention error

Problem: When we access some sites in IE. It will throw an error like "Data Execution Prevention-to help protect your computer, windows has closed this program".


Solution1:
Step1: Go to Control Panel-->Add or Remove Programs-->Uninstall IE
Step2:Go to Add or Remove Windows Components-->Uninstall IE component.
Step3: Reinstall IE.

If you want to work with IE8, then you should disable DEP.

Solutions 2:

Step1: Right click on My Computer and Select Properties.

Step2: Click on Advanced Tab--> Click on 'Startup and Recovery' Settings Tab.

Step3: In the System Startup section click on 'edit' Tab.

Step4: Replace the word OptIn (which is default) with AlwaysOff

Simple Step: Windows Startup-->Run--> Type 'c:/boot.ini' -->Press 'Enter'.

Default entry: muli(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /fastdetect /NoExecute=OptIn

Changed entry: muli(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /fastdetect /NoExecute=AlwaysOff

I hope the problem should be rectified now.

VPN takes over Internet connection.

Problem: When we connect VPN to another network. Then the client machine will loose internet connection.
No internet connection after connecting to VPN.

Solution:
Step1:Go to Network Connections --> Right click on particular VPN connection.
Step2: Go to Networking Tab--> Select Internet Protocol(TCP/IP)-->click on Properties TabStep3: Click on Advanced Tab
Step4: Uncheck the option "Use default gateway on remote network"
Click on OK Tab.

How to block Gtalk using Microsoft ISA 2004

Follow the steps to block Gtalk using Microsoft ISA 2004.

Step1: Right Click on 'Firewall Policy'-->New-->Access Rule.

Step2:Access Rule Name

Give the name to particular access rule. I have given 'Block Gtalk'. then click on 'Next Tab'.

Step3: Rule Action.

Select the option 'Deny'.(it is default option). then click on 'Next Tab'.

Step4: Protocols

Select the option 'All outbound traffic'. (this is also a default option). then click on 'Next Tab'.

Step5: Access Rule Sources

In the 'Access Rule Sources' pane, we have to add the traffice source. which is actually the 'internal network'. For that

Click on the 'Add Tab' on the 'Access Rule Sources' pane. Then 'Add Network Entities' windows will come. Click on the '+' sign near to 'Networks'. Then select 'internal'. Then Click on 'Add Tab' and 'Close'.

Step6: Access Rule Destination.

Here we have to create three custom 'Network Entities'.

1.Computer Set

2.URL Set

3.Domain Name Set

Click on 'Add Tab' on the 'Access Rule Destination' pane. Then the 'Add Network Entity' window will come. Click on 'New' option, the drop down will appear. Click on Computer Set.

'Computer Set' window will come. Give the name 'Gtalk Servers'. Click on 'OK Tab'. Like wise click on option 'URL Set' in the drop down window. Give the name 'Gtalk URLs'. Click on 'OK Tab'. Finally click on option 'Domanin Name Set' in the drop down window.Give the name 'IM Messengers'. Click on 'OK Tab'.

Computer Set - Gtalk Servers
Here we have to enter some values. For that Click on 'Add Tab' in the 'Gtalk Servers'. Then click on 'Computer' option.Then enter the name IP1 and give Ipaddress respective to this.
IP1-72.14.203.125
IP2-216.239.37.125
IP3-72.14.253.125
IP4-72.14.37.125
IP5-74.125.65.125
IP6-209.85.137.125
IP7-74.125.155.125
IP8-209.85.229.125
IP9-64.233.169.125
IP10-74.125.47.125
IP11-209.85.163.125
IP12-216.239.37.125

URL Set - Gtalk URLs
We have to add urls in the 'Gtalk URLs'. For that click on 'Add Tab' and enter all the urls which are given below.
*.gmail.com
http://chatenabled.mail.google.com
http://etherx.jabber.org/streams
http://filetransferenabled.mail.google.com/*
http://talk.google.com
http://talkgadget.google.com/*
http://talkx.l.google.com
http://www.google.com/talk*
https://talkx.l.google.com
https://talk.google.com
tools.google.com

Domain Name Set - IM Messengers
Here we have to add domain names. For that click on 'Add Tab' and enter the domain names given below.
*.talk.google.com
etherx.jabbber.org
l.google.com
talk.google.com
talkgadget.google.com
tools.google.com

After creating custom 'Network Entities'. We have to add three entities in 'Access Rule Destinations'. For that Click on 'Add Tab' in the pane. Then 'Add Network Entities' window will come. If you want to add Computer Set- Gtalk Servers, click on '+' sign near to 'Computer Sets' then select 'Gtalk Servers' and click on 'Add Tab'. Like wise add 'URL sets' and 'Domain Name Sets'. Click on 'Close Tab'.

Steps7: User Sets
Select 'All Users' option. Then click on 'Next Tab'.

Then click on 'Finish Tab'.

Now Gtalk should not be accessible in your company network. We have implemented the same in our company network. It successful. I hope this post will help all those who want to block Gtalk using Microsoft ISA 2004 server.

An "Error: GetEngineFiles Timed out" error message is logged in Antigen

Error:
Source : GetEngineFiles
Event Id :6014
Exchange Server : MS Exchange Server 2003
Operating System : Windows Server 2003
Solutions:
To work around this problem, follow these steps:

1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\Software\Sybari Software\Antigen For Exchange\EngineDownloadTimeout
3. Double-click the EngineDownloadTimeout registry entry, and then type 600 in the Value box.

When you set the EngineDownloadTimeout registry entry to 600, the engine download process times out after 10 minutes.

Note You do not have to restart the Antigen services or the Microsoft Exchange Server services after you change this registry entry.

Useful link: http://support.microsoft.com/kb/905991/en-us

When you click on My Task in Project Web Access you receive an error.

Error1:When you click on My Task in Project Web Access you receive an error.
An unexpected error has occurred.
Web Parts Maintenance Page: If you have permission, you can use this page to temporarily close Web Parts or remove personal settings. For more information, contact your site administrator. Troubleshoot issues with Windows SharePoint Services.

Error2: Wnen you do some job in Project server 2007 then the job stays in the Queue. It will show the job that 'prepairing process'

Solutions: The solutions for both problem are MOPS SP2 and WSS 3.0.
download the ServicePack2 for Windows Share point Services 3.0 and Microsoft Office Project Server 2007 and apply that in your Project server.

Download link for MOPS2007: http://www.microsoft.com/downloads/details.aspx?FamilyID=b7816d90-5fc6-4347-89b0-a80deb27a082&displaylang=en
Download link for WSS 3.0: http://www.microsoft.com/downloads/details.aspx?familyid=79BADA82-C13F-44C1-BDC1-D0447337051B&displaylang=en

How to unblock port 87 in Mozilla Firefox

In Mozilla Firefox some ports are blocked by default. If you want to unblock that port, follow the steps mentioned below.
Step1: Type 'about:config' without quotes in the address bar.
Step2: One warning will come. don't worry Click OK.
Step3: Right Click on anywhere in white pane-->Click on 'New'-->Click on 'string'.
Step4: Type 'network.security.ports.banned.override' in the String box without quotes and Click OK.
Step5: Type '87' without quotes.you can give any port value or multiple port values using comma(,)
Step6: Click OK.
Now the respective port will be unblocked in Mozilla