Configuring Timezones on IOS, ProVision and Comware

Timezones can be complicated things - every country has its own set of rules around how to decide what time it currently is - and those rules change, frequently. Modern...

IMC - Clearing up Misconceptions about Templates

I’d just like to clear up a little confusion that people have about HP IMC templates, and how they are used. Templates can be used to define credentials for different...

IMC - Network Discovery Methods

Auto-discovery can help you populate your NMS, and keep it up to date. HP IMC supports several methods of adding devices - either by manually adding them, or getting IMC...

IMC NTA Licensing - Watch the Fine Print

HP IMC has an optional add-on module for NetFlow/sFlow Analysis called “Network Traffic Analyzer (NTA).” This comes in 10-, 20- or 50-node license packs. Based on the license names, you...

WMI Corruption on Citrix XenApp Servers

The Windows WMI repository can become corrupted on Windows 2008 R2 servers being used with XenApp. WMI corruption can cause problems for monitoring systems, and potentially some applications. Here's how...

Has HP Abandoned Operations Manager?

HP Operations Manager has been around a long time in the Enterprise server management space. I first started working with it around 2001, and I’ve always had a soft spot...

NNMi - replacing LDAP SSL Certificate

NNMi can use LDAP for authenticating users, with or without SSL. Recently a customer changed the SSL certificate used on their LDAP server, which broke NNMi authentication. NNMi trusts one...

IMC or NNMi - Which One is For Me?

This is a companion post to my review of the technical differences between NNMi and IMC. That one tried to stay focused on technical matters, but this post is more opinion-based....

HP IMC vs HP NNMi - Technical Differences

It can be hard to understand the differences between HP's NNMi and IMC. Both offer a great range of network management capabilities. Here I outline the technical similarities and differences...

Certifications - Should I Renew Them?

Getting a certification isn't like a degree - it expires. Each renewal cycle, you need to decide if it's worth putting in the effort to renew it. My advice: Think...

HP SIM 7.2 Upgrade - SNMP polling fails

Recently I upgraded an HP SIM system from 7.1 to 7.2 on Windows 2008 R2. After the upgrade, SNMP discovery and data collection failed for all systems - servers, switches,...

HP Discover Thoughts

I attended HP Discover in Las Vegas this year as a blogger and speaker, courtesy of HP. HP Discover is HP’s main technology conference. It’s held once a year in Las...