Bug ID 508556: CSR missing SAN when renewing cert in GUI

Last Modified: Aug 19, 2026

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1

Fixed In:
12.0.0, 11.6.3, 11.5.7

Opened: Feb 23, 2015

Severity: 3-Major

Related Article: K17035

Symptoms

When using the GUI to renew a CA certificate that contains a subject alternative name (SAN), the SAN field is missing in the generated CSR.

Impact

The resulting CSR does not contain a SAN value.

Conditions

Using the GUI to renew a CA certificate that contains a SAN.

Workaround

Use tmsh. For example: tmsh create sys crypto csr abc key abc.key subject-alternative-name DNS:ddd.nnn.sss common-name cn

Fix Information

When using the GUI to renew a CA certificate that contains a subject alternative name (SAN), the SAN field is correctly included in the CSR.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips