HI Aamir,
Yes, it is as shown in the cert matrix here: https://support.ca.com/phpdocs/0/8165/8165_r126_CertMatrix.pdf
Certified Databases All Databases are certified for both 32-bit and 64-bit unless specifically noted. Microsoft SQL Server 2012 o Note: Requires SDM Patch “RO51630” Microsoft SQL Server 2008 R2 Microsoft SQL Server 2008 SP1 Microsoft SQL Server 2005 SP2, SP3 Oracle 11g R2 Oracle 11g Oracle 10g R2
Again however, since 12.6 has went end of support several years back, we highly recommend that you upgrade to a supported version of the product as soon as possible so that we can further assist you on any issue you may encounter.
You can find the product lifecycle dates here: CA Service Desk Family Release and Support Lifecycle dates - CA Technologies
Thanks,
Jon I.