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KB441246: MicroStrategy Web login page keeps appearing in Internet Explorerand JSession cookie cannot be created.

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• Strategy

This is a known issue in IE 11. If the domain or subdomain the web application is on contains underscores, session cookies are not created. This issue is not observed in Microsoft Edge. Internet Explorer does not allow underscores in the host name so it does not submit the JSESSION ID cookie to the web server. This causes the login page to show continuously even though the correct credentials are entered.

KB441246
SYMPTOM
The MicroStreategy Web login windows keeps appearing in Internet Explorer even though the correct credentials are entered. This behavior is not observed in Microsoft Edge, Chrome or Firefox.
STEPS TO REPRODUCE
To simulate the behavior
1.- create an entry in host file in Windows located in "C:\Windows\System32\drivers\etc" containing and underscore in its name as shown in the screenshot (i.e. mstr_test.test.test)

ka04W000000Og0lQAC_0EM44000000WVms.png

2.- Enter Strategy Web login page using that domain name using Internet Explorer.

ka04W000000Og0lQAC_0EM44000000WVmx.png

3.- Login page is shown again after entering the correct credentials.

ka04W000000Og0lQAC_0EM44000000WVn2.png

Correct behavior:
Using a different browser (Chrome, Firefox...)
4.- Enter Strategy login page as in step 2.

ka04W000000Og0lQAC_0EM44000000WVn7.png

5.- Default home page can be seen with no issues.

ka04W000000Og0lQAC_0EM44000000WVnC.png

CAUSE
Detailed explanation can be found in the following link:
"Why Internet Explorer Won’t Allow Cookies On (sub)domains With Underscores"
https://ma.ttias.be/internet-explorer-wont-allow-cookies-subdomains-underscores/
WORKAROUND
Two possible workarounds.
1.- Don't use underscore character in domain name

ka04W000000Og0lQAC_0EM44000000WVnH.png

2.- Use a different browser like MicroSoft Edge, Chrome or Firefox.

ka04W000000Og0lQAC_0EM44000000WVnM.png

 

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Knowledge Article

Published:

June 29, 2018

Last Updated:

January 10, 2019