Critical Microsoft Security Update Released (11/18/2014)

Today Microsoft released a critical security update, MS14-068, which addresses a vulnerability in the Microsoft Windows Kerberos KDC. A successful exploit could allow an attacker to gain domain admin privileges using an unprivileged domain user account. Nebula is aware of the vulnerability and our engineers are investigating. Once the patch has been applied, we will update this page.

*UPDATED* Critical Microsoft Security Update (11/18/2014)

The Nebula Domain Controllers (DC) have been updated and patched per Microsoft recommendations

Nebula Fall 2014 Brown Bag (11/10/2014)

The Nebula fall brown bag was recently held. You can view the meeting notes by clicking this link.

Nebula Technical Users Group (NTUG) Fall meeting (11/12/2014)

The NTUG meeting was held on 10/31/2014. You can view the meeting notes by clicking this link.

Nebula VPN Requires Configuration Change (8/14/2014)

Due to recent changes which disable support for NTLMv1 due to security issues, the Nebula VPN may require some configuration changes in either Windows or Mac users.  If your VPN has stopped working:

If you continue to have problems or need help with the instructions or your Nebula2 password, please email

Nebula Filesystem Web Access is Disabled (8/14/2014)

Due to the same changes with NTLMv1, the Nebula Filesystem Web Access tool has been disabled.  We are evaluating the viability of a replacement service and would appreciate your feedback on your usage.  Thank you.

New web pages on:

Tips on using Exchange Calendar (9/18/2014)

The Cornell University IT Department has provided some tips on using the Exchange Calender effectively:


Last modified: November 18, 2014