# Unable to reach Active Directory to validate user credentials. Please contact your System Administrator

**URL:** <https://community.criticalmanufacturing.com/t/unable-to-reach-active-directory-to-validate-user-credentials-please-contact-your-system-administrator/663>\
**Category:** Deployment\
**Tags:** installation, v8.x\
**Created:** [July 14, 2023, 3:46am UTC](https://community.criticalmanufacturing.com/t/unable-to-reach-active-directory-to-validate-user-credentials-please-contact-your-system-administrator/663 "2023-07-14T03:46:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rranade](https://avatars.discourse-cdn.com/v4/letter/r/53a042/32.png) [@rranade](https://community.criticalmanufacturing.com/u/rranade)\
**Post date:** [July 14, 2023, 3:46am UTC](https://community.criticalmanufacturing.com/t/unable-to-reach-active-directory-to-validate-user-credentials-please-contact-your-system-administrator/663/1 "2023-07-14T03:46:40Z")

</div>

Unable to Login to MES and Getting Error Unable to reach Active Directory to validate user credentials. Please contact your System Administrator.

 ![](https://canada1.discourse-cdn.com/flex050/uploads/community_criticalmanufacturing/original/1X/a854d79a70fa5b79df13e3818c8930fb47ec8677.png)