# [ESWD_MIRROR_VERSION_MISMATCH](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH)

## SYSLOG Details
- **Message**: Versions of mirror software on Routing Engines are incompatible: <variable>error-message</variable>
- **Help**: Mirror version did not match on Routing Engines
- **Description**: While trying to establish the nonstop routing mirror connection between the master and standby Routing Engines, the layer2 control protocol process (l2cpd) determined that the version of the nonstop routing mirror software on the Routing Engines did not match.
- **Type**: Error: An error occurred
- **Severity**: warning
- **Cause**: The master and standby Routing Engines are running incompatable versions of the Junos OS.
- **Action**: Update the Junos OS on the master Routing Engine, standby Routing Engine, or both, so that they are running compatible versions.
- **Attributes**: error-message
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 26.2R1](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=26.2R1)
- [Junos OS 25.4R1](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=25.4R1)
- [Junos OS 25.2R2](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=25.2R2)
- [Junos OS 25.2R1](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=25.2R1)
- [Junos OS 24.4R2](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=24.4R2)
- [Junos OS 24.4R1](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=24.4R1)
- [Junos OS 24.2R2](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=24.2R2)
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R2](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=23.4R2)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=23.4R1)
- [Junos OS 23.2R2](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=23.2R2)
- [Junos OS 23.2R1](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=23.2R1)
- [Junos OS 22.4R3](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=22.4R3)
- [Junos OS 22.4R2](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=22.4R2)
- [Junos OS 22.4R1](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=22.4R1)
- [Junos OS 22.2R3](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=22.2R3)
- [Junos OS 22.2R2](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=22.2R2)
- [Junos OS 22.2R1](https://apps.juniper.net/syslog-explorer/?msg=ESWD_MIRROR_VERSION_MISMATCH&sw=Junos%20OS&rel=22.2R1)