> Source: [sk174391](https://support.checkpoint.com/results/sk/sk174391)

# sk174391 - "Policy installation failed on gateway. If the problem persists contact Check Point support (Error code: 0-2000079)." - policy installation fails with this error after upgrading the Security Gateway to R80.30

| Property | Value |
|----------|-------|
| Solution ID | sk174391 |
| Date Created | 2021-07-08 |
| Last Modified | 2021-07-28 |
| Technical Level | Advanced |
| Products | Multi-Domain Security Management Server |
| Versions | R82.10, R81.20, R82, R82.20 |

## Symptoms

- * After upgrading the Security Gateway to R80.30, the policy installation fails with this error: "Policy installation failed on gateway. If the problem persists contact Check Point support (Error code: 0-2000079)."
* 'fw ctl debug -m UP + info manager policy' on the Security Gateway during the policy installation shows:

  ```
  
  [ERROR]: rad_kernel_dns_reverse_cache_sgen_validator: db cache_max_hash_size is 200000, max is 25000;
  [ERROR]: rad_kernel_dns_reverse_cache_init: rad_kernel_dns_reverse_cache_sgen_validator failed;
  [ERROR]: rad_kernel_dns_reverse_service_init: rad_kernel_dns_reverse_cache_ctor failed;
  [ERROR]: rad_kernel_dns_reverse_service_ctor: rad_kernel_dns_reverse_service_init failed;
  [ERROR]: rad_kernel_dns_reverse_cache_dtor: Invalid parameter;
  [ERROR]: rad_kernel_api_create_service: ctor of service 7 failed;
  [ERROR]: network_classifiers_domain_register_dns_reverse_rad_service: rad_kernel_api_prepare_service failed;
  [ERROR]: network_classifier_domain_load_prepare: network_classifiers_domain_register_dns_reverse_rad_service failed;
  [ERROR]: network_classifier_load_prepare: network_classifier_domain_load_prepare failed;
  [ERROR]: upk_install_policy_app_load_prepare: network_classifier_load_prepare failed;
  ```

## Cause

An updatable or dynamic object might have been added, which requires use of this cache. The system checks it during policy installation and determines it is currently set TOO HIGH for the system profile.

## Solution

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