# 404 login error while upgrading CMS

**URL:** https://community.xibo.org.uk/t/404-login-error-while-upgrading-cms/9894
**Category:** Uncategorised Topics
**Created:** [May 3, 2017, 7:16pm UTC](https://community.xibo.org.uk/t/404-login-error-while-upgrading-cms/9894 "2017-05-03T19:16:53Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![cslaughter](https://community.xibo.org.uk/user_avatar/community.xibo.org.uk/cslaughter/32/186_2.png) [@cslaughter](https://community.xibo.org.uk/u/cslaughter)
#### Post date: [May 4, 2017, 6:56am UTC](https://community.xibo.org.uk/t/404-login-error-while-upgrading-cms/9894/2 "2017-05-04T06:56:07Z")

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You may try looking here and see if this helps:

> [@Trouble installing 1.8](https://community.xibo.org.uk/t/trouble-installing-1-8/4928/11):
>
> Try http://pathto/xibo/install/index.php/2 - and if that works you’ve got mod\_rewrite problems. If you are using IIS then the .htaccess file we provide won’t be suitable and you will need to set equivalent rules in your IIS config. Something like this would be a good start: \<configuration\> \<system.webServer\> \<rewrite\> \<rules\> \<rule name="xibo auth" enabled="true"\> \<match url="api/authorize/.\*" /\> \<action type="Rewrite" url="/api/authoriz…

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