Anson | 
03 19th, 2021| 
Colleague set up HA for DHCP Server (Failover) Features，Save the backup action，However, it was discovered afterwards that the IP settings of the "reserved area" were not automatically synchronized to another DHCP Server.，You must manually click "Replication Failover Area" to synchronize。
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Sea
19
Sea
18
vCenter has a warning message，”The summary of performance statistics from "past month" to "past year" does not appear in the database”。
Feb
24
A station uses Apache、PHP、Windows Web Server built on MariaDB architecture，Joomla running on it，These programs will be updated to the latest version every six months，But ESET's real-time scan will trace Apache's httpd.exe in C every few days.:\WindowsTemp generates some Trojan horse files of php***.tmp，And scan the entire server，And did not scan out the abnormality。
Jan
12
starting from today，A flash info icon will appear when opening a webpage with Flash and it cannot be used，Will jump to Adobe Flash Player EOL General Information Page，There are a lot of reasons why Adobe does not let Flash execute，But it didn’t say if you have to continue using time，How to do。
Dec
9
I recently encountered two times when I installed a network printer via a local network，Error message：
Windows cannot connect to the printer。Insufficient memory，Can't complete this operation。Please close some programs and try again。
And based on past experience，When Windows is out of memory，It’s not because of insufficient memory。
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Dec
8
1. Normal Let’s Encrypt produceCertificate of：
– 「ISRG Root X1 (Let’s Encrypt)"'S self-signed Root certificate(Can also be downloaded from the web)。
– 「R3 (Let’s Encrypt)"Signed to "*.abc.com" domain certificate，This certificate also contains "DST Root CA X3 (IdenTrust)"Signed to "R3 (Let’s Encrypt)Intermediate certificate。
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Oct
13
I have colleagues when Outlook receives the letter，Ran for a while after clicking on，Appeared afterwards “This message was not processed，Because the message contains a lot of MIME text” Messages，The source code of the letter follows，As shown below：
Oct
7
Recently helping an old NB restore Windows 7 Later，Windows Update keeps getting stuck on KB4534310、KB4539601 install these two KBs，No matter which one is installed, the 8024200D error will appear，Crawling test for two days，Finally resolved。
Sep
24
| 型號 | CPU | RAM(G) | FLASH(G) |
| TZ350 | Mips64 Octeon 1200MHz *2 | 1 | 0.064 |
| TZ500 | Mips64 Octeon 1000MHz *4 | 1 | 0.064 |
| NSA 4600 | Mips64 Octeon 1100MHz *8 | 2 | 1 |
| TZ 215 | Mips64 Octeon 500MHz *2 | 0.512 | 0.032 |
| TZ210 | Mips64 Octeon 499MHz | 0.256 | 0.032 |
| NSA 2400 | Mips64 Octeon 500MHz *2 | 0.512 | 0.512 |
| NSA 240 | Mips64 Octeon 500MHz *2 | 0.256 | 0.032 |
Sep
9
◎ Outlook 2003、2007：
– C:\Users帳號AppDataRoamingMicrosoftOutlook
– Delete .nk2 file。
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