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Updated June 22, 2016
This article provides brief information and a resolution to the following error on some Orion Polling Engines when running a SNMP walk on the SNMPv3 device:
Error 31224 Crypto Error - Unable to perform the requested algorithm.
If FIPS restristions are enabled, please select a FIPS compliant algorithm.
All NPM versions
The issue is caused by a missing dll or OpenSSL folder located at C:\Program Files (x86)\Common Files\SolarWinds\
Repair Solarwinds Orion Core and check if the .dll and folder will be recreated.
If not, repair NPM.
If not resolved:
Check directory C:\Program Files (x86)\Common Files\SolarWinds\OpenSSL\x86 and make sure the following files are there and unblocked [right click > properties, unblock(not shown)]:
***Note libeay32.dll was susceptible to the openssl poodle attack previously but since has been resolved in NPM 10.7 Heartbleed hotfix 2. Some antivirus systems may have that file on quarantine list***