> For the complete documentation index, see [llms.txt](https://help.simnetonline.com/blog/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.simnetonline.com/blog/2016-posts/notice-system-maintenance-july-26th-3-5am-central-august-14th-4-6am-central.md).

# Notice: System Maintenance: July 26th, 3-5AM Central & August 14th, 4-6AM Central

SIMnet will be unavailable Tuesday, July 26th, 2015 from 3:00AM – 5:00AM Central. We are performing routine maintenance to improve performance, reliability and security.

SIMnet will be unavailable Sunday, August 14th, 2015 from 4:00AM – 6:00AM Central. We are performing routine maintenance to improve performance, reliability and security.

Sincerely,

McGraw-Hill Product Team