# SIMnet Maintenance Notice – July 20, 2018 11:45PM – July 21, 2018, 8AM Eastern SIMnet will be unavailable on Friday, July 20, 2018 from 11:45PM – July 21, 2018, 8AM Eastern time. Rackspace, SIMnet’s hosting provider, is migrating customers to a new datacenter that opened in 2014. Our current datacenter was opened in 2006 and is scheduled to fully close later this year. Sincerely, McGraw-Hill Product Team --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://help.simnetonline.com/blog/2018-posts/simnet-maintenance-notice-july-21-2018-1200am-8am-eastern.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.