Citrix Licensing Manager Reports Error Code 400
Article ID: CTX241261
Updated On:
Description
After upgrading licence server to 11.15.0.0 build 25000, Citrix Licensing Manager (https://localhost:8083 ) displays the error : For assistance, contact Citrix Customer Service and reference error code 400.
Environment
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Resolution
Modify the following:
LimitRequestFieldSize in the file C:\Program Files (x86)\Citrix\Licensing\WebServicesForLicensing\Apache\conf\httpd.conf
For additional guidance, you may refer to the Microsoft documentation referenced in this article.
LimitRequestFieldSize in the file C:\Program Files (x86)\Citrix\Licensing\WebServicesForLicensing\Apache\conf\httpd.conf
For additional guidance, you may refer to the Microsoft documentation referenced in this article.
Problem Cause
If the HTTP header or packet size increases past the limits that are configured on the server, the server may reject the request and send an error message as the response.Issue/Introduction
Citrix Error code 400 resolution may need modification of a file named httpd.conf
Additional Information
https://support.microsoft.com/en-ie/help/2020943/http-400-bad-request-request-header-too-long-response-to-http-request
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