# Security.Permissions Exceptions in Elastic.Net.ConnectionConfiguration in wcf dot net applications

**URL:** <https://discuss.elastic.co/t/security-permissions-exceptions-in-elastic-net-connectionconfiguration-in-wcf-dot-net-applications/240990>\
**Category:** Elasticsearch\
**Created:** [July 13, 2020, 2:08pm UTC](https://discuss.elastic.co/t/security-permissions-exceptions-in-elastic-net-connectionconfiguration-in-wcf-dot-net-applications/240990 "2020-07-13T14:08:14Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ajvenkatesh4228](https://avatars.discourse-cdn.com/v4/letter/a/c67d28/32.png) [@ajvenkatesh4228](https://discuss.elastic.co/u/ajvenkatesh4228)\
**Post date:** [July 13, 2020, 2:08pm UTC](https://discuss.elastic.co/t/security-permissions-exceptions-in-elastic-net-connectionconfiguration-in-wcf-dot-net-applications/240990/1 "2020-07-13T14:08:14Z")

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Hi Folks,

Hope, anyone helps on this to get an answer for this : I am working in a wcf dot net applications - I am logging in elastic search, it works in my local windows 10 machine, when hosting the wcf application in windows server in IIS, when I tried to logging the logs in elastic search, my wcf dot net code gives following errors "The type initilaizer for elasticsearch.net.connectionconfigurations throws an exception", System.Security.Permissions.SecurityPermission at [elasticsearch.net](http://elasticsearch.net)  
Connectionconfiguration 1..ctor(Iconnectionpool connectionpool, Iconnection connection, Ielasticsearchserializer requestResponseSerializer) at serilog.sinks.elasticsearch.elasticsearchsinksstate..ctor(Elasticsearchsinkoptions options)  
at serilog.sinks.elasticsearch.elasticsearchsinksstate..create(Elasticsearchsinkoptions options)  
at serilog.sinks.elasticsearch.elasticsearchsinks..ctor(Elasticsearchsinkoptions options)

Pls help on this issue to resolve in my window server asap

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [August 10, 2020, 2:08pm UTC](https://discuss.elastic.co/t/security-permissions-exceptions-in-elastic-net-connectionconfiguration-in-wcf-dot-net-applications/240990/2 "2020-08-10T14:08:18Z")

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Closed on August 10, 2020, 2:08pm UTC

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