Preview Tool

Cisco Bug: CSCuj97361 - DNS request failing with debugs "unable to allocate a handle"

Last Modified

Apr 16, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases


Description (partial)

ASA appears unable to resolve DNS names, the output of "debug dns 2" reveal the following errors:

DNS: Unable to allocate a handle from the dsh pool for DNS

This was observed on an ASA using access-lists with FQDN
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.