Network Problems; Observable Problems - Lenovo ThinkSystem SR650 Maintenance Manual

Network problems

Use this information to resolve issues related to networking.
• "Cannot wake server using Wake on LAN" on page 219
• "Could not log in using LDAP account with SSL enabled" on page 219
Cannot wake server using Wake on LAN
Complete the following steps until the problem is resolved:
1. If you are using the dual-port network adapter and the server is connected to the network using Ethernet
5 connector, check the system-error log or IMM2 system event log (see "Event logs" on page 205),
make sure:
a. Fan 3 is running in standby mode, if Emulex dual port 10GBase-T embedded adapter is installed.
b. The room temperature is not too high (see "Specifications" on page 3).
c. The air vents are not blocked.
d. The air baffle is installed securely.
2. Reseat the dual-port network adapter.
3. Turn off the server and disconnect it from the power source; then, wait 10 seconds before restarting the
server.
4. If the problem still remains, replace the dual-port network adapter.
Could not log in using LDAP account with SSL enabled
Complete the following steps until the problem is resolved:
1. Make sure that the license key is valid.
2. Generate a new license key and log in again.

Observable problems

Use this information to solve observable problems.
• "The server immediately displays the POST Event Viewer when it is turned on" on page 219
• "Server is unresponsive (POST is complete and operating system is running)" on page 220
• "Server is unresponsive (cannot press F1 to start System Setup)" on page 220
• "Voltage planar fault is displayed in the event log" on page 221
• "Unusual smell" on page 221
• "Server seems to be running hot" on page 221
• "Cracked parts or cracked chassis" on page 221
The server immediately displays the POST Event Viewer when it is turned on
Complete the following steps until the problem is solved.
1. Correct any errors that are indicated by the light path diagnostics LEDs.
2. Make sure that the server supports all the processors and that the processors match in speed and
cache size.
You can view processor details from system setup.
To determine if the processor is supported for the server, see
.
3. (Trained technician only) Make sure that processor 1 is seated correctly.
http://www.lenovo.com/us/en/serverproven/
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Chapter 4 Problem determination
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