Setting the Refresh Rate for Connectivity Verifiers ISA Server 2006

By default, connectivity verifiers that are enabled test connectivity every 30 seconds. This time can be changed to any value in the range from 15 through 1,440 seconds by setting the RefreshRate property of the FPCConnectivityVerifiers collection. The value of this property applies to all ISA Server computers in an array.

Using Registry:
- Browse To: HKLM\IsaStg_Eff1\Arrays\{D76B4872-115F-49FA-9136-610335ED7F8E}\ConnectivityVerifiers
- Change msFPCRefreshRate value (in dword) as needed

Using Script:
http://technet.microsoft.com/library/cc302480.aspx

You may use sets of Connectivity Verifiers to help you monitoring device such as: AP, WAN, Internal Router especially if combine with email alert triggering.

Renewing the self-signed certificate Exchange Server 2007:

Exchange Server 2007 need to renewal a self-signed certificate for use with services like SMTP,IMAP, POP, IIS and Um every one year.


1. Find out your exchange certificate thumbprint with full information and services list
Get-ExchangeCertificate -domain “yourdomain.com” | fl


2. Get a new certificate with a new expiration date and an exportable private key:
Get-ExchangeCertificate -thumbprint “your_old_thumb_print” | New-ExchangeCertificate -PrivateKeyExportable $true


3. Type Y to continue creation of certificate. It'll show new thumbprint


4.  Check services of new certificate:
Get-ExchangeCertificate -thumbprint “your_new_thumb_print” |fs


5. To add required/missing services:
Enable-ExchangeCertificate -thumbprint “your_new_thumb_print” -services IIS


6. To remove invalidates/expired certificate
Remove-ExchangeCertificate -thumbprint “your_old_thumb_print”




You need to Publish them to ISA for WebMail user
1. Using MMC from your mailserver
2. Add/Remove Snap-in > Add > Certificates > Local
3. Under Personal/Certificates, Select Your New Certificate
4. Right Click > All Tasks > Export > Next
5. Select Yes to export  the private key
6. Provide password and check required option
7. It generated PFX file
8. Generated CER and/or P7B if required
9. Import to Trust
10. Under Trust/Certificate Right Click > All Tasks > Import > Next
11. Chose the CER file
12. Same Snap-in for your ISA server
13. Right Click > All Tasks > Import > Next
14. Chose the PFX file
15. Import to trust
16. Open ISA Server Management
17. ISAServer > Firewall Policy > Webmail
18. Double click Mail Listener
19. From Certificate tab, Select Certificate
20. Select your new and active certificate then Apply

Failure to Terminal Services ISA Server

Symptoms:
mstsc.exe (Terminal Services) failure to access ISA Server after some windows updates

Cause:

ISA server not allowing Remote Access from outside network

Solution:
1. From Administrative Tools > Terminal Services Configurator
2. Choose Connection
3. On Right Side, Right Click on RCP-Tcp then choose properties
4. Under Network Adapter Tab, make sure only your Internal Network is selected inside Network Adapter dropdown