It s impossible to add a CNAME DNS record which includes an underscore symbol, like
Such behavior was classified as the software issue PBAS-30214. It was fixed in OBAS 4.5.6
To resolve the issue, please upgrade to 4.5.6 as described in How to upgrade OBAS system to the latest available version.
Hotfix for 4.5.5
If upgrade is not an option for you, there is a hotfix for OBAS 4.5.5. If your OBAS version is older than 4.5.5, please upgrade to 4.5.5 before applying it.
To apply the hotfix:
For 64-bit OS:
# rpm -Uvh hspc-domain-manager-4.5.5-41.swsoft.x86_64.rpm # service hspcd restart
For 32-bit OS:
# rpm -Uvh hspc-domain-manager-4.5.5-66.swsoft.i386.rpm # service hspcd restart
Warning: Restart of the hspcd service will cause OBAS downtime for about 10-60 seconds.