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Unable to validate location information with provider.


Unable to validate location information with provider.
Recently I came across issue where customer was unable to validate location information with emergency (E911) service provider. To validate location information with Service provider is important step because without validation Location information cannot dispatch to by a Public Safety Answering Point (PSAP).

Customer has SIP trunk from well-known E911 service provider. However they run below command let using PowerShell (Open PowerShell as Administrator)

Get-CsLisCivicAddress | Test-CsLisCivicAddress –UpdateValidationStatus
It gives error message:
Test-CsLisCivicAddress : The request was aborted: Could not create SSL/TLS secure channel.
 
Troubleshooting:
1.     Assuming that you have already added all network subnet to LIS database if not then use below command to add each subnet with location information (physical address):
Set-CSLisSubnet -Subnet 192.168.1.0 -Description "PrivateSubnet" -Location "House" -CompanyName "" -MyHome "1235" -HouseNumberSuffix "" -PreDirectional "" -StreetName "Wildwood Ave" -StreetSuffix "" -PostDirectional "" -City Sunnyvale -State "CA" -PostalCode "94089"  -Country "USA"
After adding all subnet information publish the location information to LIS database using below command let.
Publish-CsLisConfiguration 

2.     After completing first step check if Service provider name and validation URL correctly setup.

3.     Use below command to get service provider name and URL
Get-CsLisServiceProvider |fl

Result will show:
·        ServiceProviderName: E911Provider
·        ValidationServiceUrl: www.E911provider.com/ocsvalidation

4.     If validation URL and provider name is not correct then need to correct. In my case provider name validation URL was correct.

5.     Now run validation command to see validation status:
Get-CsLisCivicAddress | Test-CsLisCivicAddress -UpdateValidationStatus
I always received error like “Test-CsLisCivicAddress : The request was aborted: Could not create SSL/TLS secure channel.”
6.     Error explain that unable to create SSL/TLS secure channel for validation URL in order to validate location information. In my case authentication URL and service provider name shows correctly however this was setup by someone else using certificate and password but same is not available on Lync Front End server.  Hence need must have certificate to establish secure connection to Service provider URL.
7.     Get certificate and password from service provider and re-run the  below command to set the new configuration which will over write existing configuration and details.
$p= read-host -AsSecureString

Set-CsLisServiceProvider -ServiceProviderName -ValidationServiceUrl  


8.     Now command will you the setup validation URL correctly.
9.     Now you can run validation command to validation location information.
Get-CsLisCivicAddress | Test-CsLisCivicAddress –UpdateValidationStatus
This time you will see the result with validation status. So you will be able to validate LIS information with provider so it can dispatch to by a Public Safety Answering Point (PSAP).

Thank you

Comments

  1. For anyone seeing this error but isn't having any luck with Balu's resolution, we found that the command would run correctly on a different FE (we have 3). Not sure why one FE would work but the other wouldn't, but there it is.

    ReplyDelete

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