John Leslie Consulting

Scheduled Maintenance


Each week, the period from 1:00 a.m. to 5:00 a.m. Saturday or Sunday morning is reserved for scheduled maintenance. Ordinarily, all services will be available during this period, except for brief periods when server(s) are re-booting -- generally about one minute.

However, there may be periods of several hours where no new email is being accepted, and/or no updates to JLC-hosted web pages will be allowed. Please feel free to call for more details if this will present a problem.

On very rare occasions, it may be necessary to interrupt ongoing modem sessions. If this happens and you can't re-establish the modem connection in a minute or two, please call -- we need to know about it. Except for these rare occasions, web-browsing and sending email should see no interruptions -- merely brief delays.

JLC staff has been instructed to update the following list before starting any maintenance activities which may cause any glitches visible to users. (Most recent items will be listed first.)

-- John Leslie


April 25?, 2011: We need to physically move the webserver serving most customer domains to a new collocation center which will handle IPv6. Web and mail for domains other than JLC.net will be down for about an hour. Unfortunately, coordination of three locations is needed, so we can't give notice of the exact time of the changeover. You can read about our need to support IPv6 here.
August 14, 2010: We will be upgrading our proxy server. proxy.jlc.net will be down for under an hour after 1a.m. All other services will remain up during this time.
August 6, 2010: We will be upgrading our primary DNS server. ns1.jlc.net will be down for under an hour after 1a.m. Our secondary DNS server and all other services will still be up during this time.
May 23, 2010: We will be moving a web-server to a colo location with better bandwidth. This server serves most of our customer domains. Web-pages of the involved domains will be down for about one hour starting at 1:00 a.m. Sunday, May 23rd. The main JLC page should remain up during this period.
January 13, 2007: We will be upgrading our SMTP/POP3 (e-mail) servers. We will also be upgrading our Webserver. If any degraded performance is noticed please call or e-mail support@jlc.net.
September 3, 2006: We will be upgrading our SMTP/POP3 (e-mail) servers. We will also be upgrading our Webserver. If any degraded performance is noticed please call or e-mail support@jlc.net.
October 23, 2005: We will be upgrading our primary SMTP/POP3 (e-mail) server. Users may notice degraded performance at times.
March 6, 2004: We will be upgrading a router. Internet connectivity may be interrupted.
February 27, 2004: We will be upgrading a router. Internet connectivity may be interrupted.
February 20, 2004: We will be upgrading a router. Internet connectivity may be interrupted.
September 5, 2003: Replacment of our primary SMTP/POP3 (e-mail) server. Users may notice degraded to non-existent performance at times.
August 16, 2003: We will be upgrading battery-backup equipment. Modem connections will be interrupted.

This page last modified 25 April 2011, WWW Administrator Valid HTML 4.01!

Contact JLC Support at (603) 673-6132 for more information.

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